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class="mw-body-content"><script>function mfTempOpenSection(id){var block=document.getElementById("mf-section-"+id);block.className+=" open-block";block.previousSibling.className+=" open-block";}</script><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><section class="mf-section-0" id="mf-section-0"> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For other uses, see <a href="/wiki/Cooler_(disambiguation)" class="mw-disambig" title="Cooler (disambiguation)">Cooler (disambiguation)</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Cooler" title="Special:EditPage/Cooler">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and removed.<br><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Cooler%22">"Cooler"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Cooler%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Cooler%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Cooler%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Cooler%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Cooler%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">January 2012</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>A <b>cooler</b>, <b>portable ice chest</b>, <b>ice box</b>, <b>cool box</b>,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <b>chilly bin</b> (in <a href="/wiki/New_Zealand" title="New Zealand">New Zealand</a>), or <b><a href="/wiki/Esky" title="Esky">esky</a></b> (<a href="/wiki/Australia" title="Australia">Australia</a>) is an <a href="/wiki/Thermal_insulation" title="Thermal insulation">insulated</a> box used to keep food or drink cool. </p><figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:PortableIceChestPatent1955.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/PortableIceChestPatent1955.jpg/200px-PortableIceChestPatent1955.jpg" decoding="async" width="200" height="224" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/PortableIceChestPatent1955.jpg/300px-PortableIceChestPatent1955.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6d/PortableIceChestPatent1955.jpg/400px-PortableIceChestPatent1955.jpg 2x" data-file-width="500" data-file-height="559"></a><figcaption>Portable Ice Chest, U.S. Patent # 2,663,167 (1953)</figcaption></figure> <p><a href="/wiki/Ice" title="Ice">Ice</a> cubes are most commonly placed in it to help the contents inside stay cool. <a href="/wiki/Ice_pack" title="Ice pack">Ice packs</a> are sometimes used, as they either contain the melting water inside or have a <a href="/wiki/Gel" title="Gel">gel</a> sealed inside that stays cold longer than plain ice (absorbing heat as it changes phase). </p><p>Coolers are often taken on <a href="/wiki/Picnic" title="Picnic">picnics</a> and on <a href="/wiki/Tourism" title="Tourism">vacation</a> or holidays. When summers are hot, they may also be used just to get cold groceries home from the store, such as keeping ice cream from melting in a sizzling automobile. Even without adding ice, this can be helpful, particularly if the trip home will be lengthy. Some coolers have built-in cupholders in the lid. </p> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:2008-09-20_Dispensing_water_into_the_mash_tun.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/2008-09-20_Dispensing_water_into_the_mash_tun.jpg/200px-2008-09-20_Dispensing_water_into_the_mash_tun.jpg" decoding="async" width="200" height="300" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/2008-09-20_Dispensing_water_into_the_mash_tun.jpg/300px-2008-09-20_Dispensing_water_into_the_mash_tun.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6a/2008-09-20_Dispensing_water_into_the_mash_tun.jpg/400px-2008-09-20_Dispensing_water_into_the_mash_tun.jpg 2x" data-file-width="2592" data-file-height="3888"></a><figcaption>Insulated beverage cooler</figcaption></figure> <p>They are usually made with interior and exterior shells of <a href="/wiki/Plastic" title="Plastic">plastic</a>, with a hard <a href="/wiki/Foam" title="Foam">foam</a> in between. They come in sizes from small personal ones to large family ones with wheels. <a href="/wiki/Disposable" class="mw-redirect" title="Disposable">Disposable</a> ones are made solely from <a href="/wiki/Expanded_polystyrene_foam" class="mw-redirect" title="Expanded polystyrene foam">polystyrene foam</a> (such as a disposable coffee cup) about 2 cm or one inch thick. Most reusable ones have molded-in handles; a few have shoulder straps. The cooler has developed from just a means of keeping beverages cold into a mode of transportation with the <a href="/wiki/Ride-on_cooler" class="mw-redirect" title="Ride-on cooler">ride-on cooler</a>. A <a href="/wiki/Thermal_bag" title="Thermal bag">thermal bag</a>, cooler bag, or cool bag is very similar in concept, but typically smaller and not rigid. </p> <div id="toc" class="toc" role="navigation" aria-labelledby="mw-toc-heading"><input type="checkbox" role="button" id="toctogglecheckbox" class="toctogglecheckbox" style="display:none"><div class="toctitle" lang="en" dir="ltr"><h2 id="mw-toc-heading">Contents</h2><span class="toctogglespan"><label class="toctogglelabel" for="toctogglecheckbox"></label></span></div> <ul> <li class="toclevel-1 tocsection-1"><a href="#History"><span class="tocnumber">1</span> <span class="toctext">History</span></a></li> <li class="toclevel-1 tocsection-2"><a href="#Thermoelectric_coolers"><span class="tocnumber">2</span> <span class="toctext">Thermoelectric coolers</span></a></li> <li class="toclevel-1 tocsection-3"><a href="#Rotationally_molded_coolers"><span class="tocnumber">3</span> <span class="toctext">Rotationally molded coolers</span></a></li> <li class="toclevel-1 tocsection-4"><a href="#Ride-on_coolers"><span class="tocnumber">4</span> <span class="toctext">Ride-on coolers</span></a></li> <li class="toclevel-1 tocsection-5"><a href="#See_also"><span class="tocnumber">5</span> <span class="toctext">See also</span></a></li> <li class="toclevel-1 tocsection-6"><a href="#References"><span class="tocnumber">6</span> <span class="toctext">References</span></a></li> <li class="toclevel-1 tocsection-7"><a href="#External_links"><span class="tocnumber">7</span> <span class="toctext">External links</span></a></li> </ul> </div> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(1)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="History">History</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Cooler&action=edit&section=1" title="Edit section: History" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-1 collapsible-block" id="mf-section-1"> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:FEMA_-_39207_-_Food_storage_containers_stacked_on_shipping_pallets_in_Texas.jpg" class="mw-file-description"><noscript><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/FEMA_-_39207_-_Food_storage_containers_stacked_on_shipping_pallets_in_Texas.jpg/200px-FEMA_-_39207_-_Food_storage_containers_stacked_on_shipping_pallets_in_Texas.jpg" decoding="async" width="200" height="133" class="mw-file-element" data-file-width="3516" data-file-height="2344"></noscript><span class="lazy-image-placeholder" style="width: 200px;height: 133px;" data-src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/FEMA_-_39207_-_Food_storage_containers_stacked_on_shipping_pallets_in_Texas.jpg/200px-FEMA_-_39207_-_Food_storage_containers_stacked_on_shipping_pallets_in_Texas.jpg" data-width="200" data-height="133" data-srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/FEMA_-_39207_-_Food_storage_containers_stacked_on_shipping_pallets_in_Texas.jpg/300px-FEMA_-_39207_-_Food_storage_containers_stacked_on_shipping_pallets_in_Texas.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b4/FEMA_-_39207_-_Food_storage_containers_stacked_on_shipping_pallets_in_Texas.jpg/400px-FEMA_-_39207_-_Food_storage_containers_stacked_on_shipping_pallets_in_Texas.jpg 2x" data-class="mw-file-element"> </span></a><figcaption>The <a href="/wiki/United_States_Armed_Forces" title="United States Armed Forces">United States Armed Forces</a> and The <a href="/wiki/Federal_Emergency_Management_Agency" title="Federal Emergency Management Agency">Federal Emergency Management Agency</a> have used cooler systems made by Cambro<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p>The original inventor of the cooler is unknown, with versions becoming available in various parts of the world throughout the 1950s. </p><p>The portable ice chest was patented in the USA by Richard C. Laramy of <a href="/wiki/Joliet,_Illinois" title="Joliet, Illinois">Joliet, Illinois</a>. On February 24, 1951, Laramy filed an application with the United States Patent Office for a portable ice chest (Serial No. 212,573).<sup id="cite_ref-Office1953_3-0" class="reference"><a href="#cite_note-Office1953-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The patent (#2,663,157) was issued December 22, 1953. </p><p>In 1952, the portable <a href="/wiki/Esky" title="Esky">Esky</a> Auto Box was released in Australia by the Sydney refrigeration company Malley’s. Made from steel and finished in baked enamel and chrome, with cork sheeting for insulation, the Esky became the first mass-produced cooler on the market. The brand found huge success and by 1960, 500,000 Australian households owned one (in a country of approximately 3 million households at the time). </p><p>The <a href="/wiki/Coleman_Company" class="mw-redirect" title="Coleman Company">Coleman Company</a> popularized the cooler within the USA with its initial offering of a galvanized steel cooler in 1954. Three years later, Coleman developed a process to make a plastic liner for coolers and jugs. </p> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(2)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="Thermoelectric_coolers">Thermoelectric coolers</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Cooler&action=edit&section=2" title="Edit section: Thermoelectric coolers" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-2 collapsible-block" id="mf-section-2"> <p>Some modern coolers are <a href="/wiki/Thermoelectric" class="mw-redirect" title="Thermoelectric">thermoelectric</a>, plugging into a car's <a href="/wiki/Cigarette_lighter_receptacle" class="mw-redirect" title="Cigarette lighter receptacle">cigarette lighter</a> <a href="/wiki/Jack_(connector)" class="mw-redirect" title="Jack (connector)">socket</a>. Rather than using a <a href="/wiki/Gas_compressor" class="mw-redirect" title="Gas compressor">compressor</a> and <a href="/wiki/Refrigerant" title="Refrigerant">refrigerant</a> such as a <a href="/wiki/Refrigerator" title="Refrigerator">refrigerator</a> or other <a href="/wiki/Heat_pump" title="Heat pump">heat pump</a>, these use the <a href="/wiki/Peltier_effect" class="mw-redirect" title="Peltier effect">Peltier effect</a> along with an external <a href="/wiki/Fan_(mechanical)" class="mw-redirect" title="Fan (mechanical)">fan</a> to draw away the heat. By reversing the current, this concept can also heat the contents instead of cooling them, useful for keeping meals hot from a <a href="/wiki/Drive-through" title="Drive-through">drive-through</a>, or even to keep items from <a href="/wiki/Freezing" title="Freezing">freezing</a> in severely cold climates. </p><p>Thermoelectric coolers typically can drop the <a href="/wiki/Temperature" title="Temperature">temperature</a> by about 40 °F or 22 °C below <a href="/wiki/Ambient_temperature" class="mw-redirect" title="Ambient temperature">ambient temperature</a>, or can raise it by at least that much; this is a function of the effectiveness of the boxes' <a href="/wiki/Thermal_insulation" title="Thermal insulation">thermal insulation</a>. Some better units even have <a href="/wiki/Digital_data" title="Digital data">digital</a> <a href="/wiki/Thermostat" title="Thermostat">thermostat</a> controls. They do draw a significant amount of power, however, and can drain a non-running car's battery so much so that it cannot start. Most electric coolers have an undervoltage shutoff at around 10 or 10.5 volts to prevent this. Many come with power adapters, which use an electronic <a href="/wiki/Transformer" title="Transformer">transformer</a> to convert <a href="/wiki/Alternating_current" title="Alternating current">AC</a> <a href="/wiki/Mains_electricity" title="Mains electricity">mains</a> or <a href="/wiki/Voltage" title="Voltage">line voltage</a> down to 12 volts, with a lighter-like socket for the cooler's cord to plug in. Some also have a crossover-connection device to reverse the current for heating service. </p> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(3)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="Rotationally_molded_coolers">Rotationally molded coolers</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Cooler&action=edit&section=3" title="Edit section: Rotationally molded coolers" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-3 collapsible-block" id="mf-section-3"> <p>Rotationally molded (roto-molded) coolers have become popular in recent years. Roto-molded coolers are manufactured using a process called <a href="/wiki/Rotational_molding" title="Rotational molding">rotational molding</a>, a process by which a heated and softened material is applied to the inner wall of a slowly rotating mold. The mold continues to rotate during the cooling phase, producing a thick and uniform final product. In the case of roto-molded coolers, the heated liquid plastic is applied over a thick layer of insulation. The resulting product has no seals or imperfections and is much stronger and more durable than traditional coolers. Examples of roto-molded coolers include <a href="/wiki/Yeti_(American_company)" class="mw-redirect" title="Yeti (American company)">YETI</a>,<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> ORCA<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> or Grizzly coolers.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(4)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="Ride-on_coolers">Ride-on coolers</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Cooler&action=edit&section=4" title="Edit section: Ride-on coolers" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-4 collapsible-block" id="mf-section-4"> <p>A ride-on cooler is a means of transportation that can store and cool <a href="/wiki/Beverages" class="mw-redirect" title="Beverages">beverages</a> and other food products. It is a combination of a low-power engine with a <a href="/wiki/Kart_racing" title="Kart racing">go-cart</a> frame which uses the cooler as a seat. The ride-on cooler can transport food and drinks short distances and can be used in a small <a href="/wiki/Backyard" title="Backyard">backyard</a>, a <a href="/wiki/Neighborhood" class="mw-redirect" title="Neighborhood">neighborhood</a>, or at large outdoor parties. The ride-on cooler can be equipped with a trailer hitch, allowing it to tow an extra cooler as a <a href="/wiki/Trailer_(vehicle)" title="Trailer (vehicle)">trailer</a>. </p><p>Designs use either gas-powered lawnmower engines or <a href="/wiki/Electric_motors" class="mw-redirect" title="Electric motors">electric motors</a> which are lighter, more energy efficient, and quieter. Both can have a wide range of power. The electric motors range from 250 watts (0.3 hp) to 2,000 watts (2.7 hp) and generally use 12- to 60-volt <a href="/wiki/Battery_(electricity)" class="mw-redirect" title="Battery (electricity)">batteries.</a><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> <sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> Gas-powered engines range from 33 to 205 <a href="/wiki/Cubic_centimetre" title="Cubic centimetre">cubic centimetres</a> (2.0 to 12.5 <a href="/wiki/Cubic_inch" title="Cubic inch">cu in</a>) with a typical top-speed of 13 miles per hour (21 km/h),<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> but enthusiasts have built much faster versions. </p><p>The legal status of the ride-on cooler varies from country to country and in the US from state to state. In some jurisdictions, a <a href="/wiki/Driver%27s_license" title="Driver's license">driver's license</a> is required to operate any form of motor vehicle on public roads, and an intoxicated driver can be convicted of <a href="/wiki/Driving_under_the_influence" title="Driving under the influence">driving under the influence</a> for riding one.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(5)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="See_also">See also</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Cooler&action=edit&section=5" title="Edit section: See also" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-5 collapsible-block" id="mf-section-5"> <ul><li><a href="/wiki/Insulated_shipping_container" title="Insulated shipping container">Insulated shipping container</a></li> <li><a href="/wiki/Beer_koozie" class="mw-redirect" title="Beer koozie">Beer koozie</a></li> <li><a href="/wiki/Vacuum_flask" title="Vacuum flask">Vacuum flask</a> (Thermos)</li> <li><a href="/wiki/Cellarette" title="Cellarette">Cellarette</a></li> <li><a href="/wiki/Coolgardie_safe" title="Coolgardie safe">Coolgardie safe</a></li></ul> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(6)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="References">References</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Cooler&action=edit&section=6" title="Edit section: References" class="cdx-button cdx-button--size-large cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--icon-only cdx-button--weight-quiet "> <span class="minerva-icon minerva-icon--edit"></span> <span>edit</span> </a> </span> </div><section class="mf-section-6 collapsible-block" id="mf-section-6"> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.macmillandictionary.com/dictionary/british/coolbox">"coolbox - definition of coolbox by Macmillan Dictionary"</a>. Macmillandictionary.com. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170623184050/http://www.macmillandictionary.com/dictionary/british/coolbox">Archived</a> from the original on 2017-06-23<span class="reference-accessdate">. Retrieved <span class="nowrap">2013-07-11</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=coolbox+-+definition+of+coolbox+by+Macmillan+Dictionary&rft.pub=Macmillandictionary.com&rft_id=http%3A%2F%2Fwww.macmillandictionary.com%2Fdictionary%2Fbritish%2Fcoolbox&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACooler" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external free" href="https://www.dla.mil/Portals/104/Documents/TroopSupport/Subsistence/TS_fieldfeeditems_151002.pdf">https://www.dla.mil/Portals/104/Documents/TroopSupport/Subsistence/TS_fieldfeeditems_151002.pdf</a> <sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Bare_URLs" title="Wikipedia:Bare URLs"><span title="A full citation of this PDF document is required to prevent link rot. (August 2024)">bare URL PDF</span></a></i>]</sup></span> </li> <li id="cite_note-Office1953-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-Office1953_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUnited_States._Patent_Office1953" class="citation book cs1">United States. Patent Office (1953). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=k21NxCyjJLkC&pg=PA931"><i>Official Gazette of the United States Patent Office</i></a>. The Office. p. 931.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Official+Gazette+of+the+United+States+Patent+Office&rft.pages=931&rft.pub=The+Office&rft.date=1953&rft.au=United+States.+Patent+Office&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dk21NxCyjJLkC%26pg%3DPA931&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACooler" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://yeti.com/">"Premium Coolers, Drinkware, Gear, and Apparel"</a>. <i>yeti.com</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20181123210858/https://www.yeti.com/">Archived</a> from the original on 2018-11-23<span class="reference-accessdate">. Retrieved <span class="nowrap">2018-11-24</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=yeti.com&rft.atitle=Premium+Coolers%2C+Drinkware%2C+Gear%2C+and+Apparel&rft_id=http%3A%2F%2Fyeti.com%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACooler" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.orcacoolers.com/">"ORCA COOLERS"</a>. <i>ORCA</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20181130064032/https://orcacoolers.com/">Archived</a> from the original on 2018-11-30<span class="reference-accessdate">. Retrieved <span class="nowrap">2018-11-24</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=ORCA&rft.atitle=ORCA+COOLERS&rft_id=http%3A%2F%2Fwww.orcacoolers.com%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACooler" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.grizzlycoolers.com/why-grizzly-coolers">"why"</a>. <i>Grizzly Coolers</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190915062433/https://www.grizzlycoolers.com/why-grizzly-coolers/">Archived</a> from the original on 2019-09-15<span class="reference-accessdate">. Retrieved <span class="nowrap">2018-11-24</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Grizzly+Coolers&rft.atitle=why&rft_id=http%3A%2F%2Fwww.grizzlycoolers.com%2Fwhy-grizzly-coolers&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACooler" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.coolermods.com/">"Coolermods"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20181026025045/http://coolermods.com/">Archived</a> from the original on 2018-10-26<span class="reference-accessdate">. Retrieved <span class="nowrap">2018-10-25</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Coolermods&rft_id=http%3A%2F%2Fwww.coolermods.com%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACooler" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://bestcampingfridge.com/faqs/#4_How_many_Watts_does_a_camping_fridge_use">"Watts Usage by Ride-on-Coolers"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220101154433/https://bestcampingfridge.com/faqs/#4_How_many_Watts_does_a_camping_fridge_use">Archived</a> from the original on 2022-01-01<span class="reference-accessdate">. Retrieved <span class="nowrap">2022-01-01</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Watts+Usage+by+Ride-on-Coolers&rft_id=https%3A%2F%2Fbestcampingfridge.com%2Ffaqs%2F%234_How_many_Watts_does_a_camping_fridge_use&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACooler" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.cruzincooler.com/">"Cruzin Cooler Official Site"</a>. Cruzincooler.com. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140104225954/http://cruzincooler.com/">Archived</a> from the original on 2014-01-04<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-02-09</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Cruzin+Cooler+Official+Site&rft.pub=Cruzincooler.com&rft_id=http%3A%2F%2Fwww.cruzincooler.com%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACooler" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110818073632/http://www.telegraph.co.uk/motoring/news/8705894/Australian-man-convicted-for-driving-motorised-cool-box-while-drunk.html">"Video: Australian man convicted for driving motorised cool box while drunk"</a>. Telegraph. Archived from <a rel="nofollow" class="external text" href="https://www.telegraph.co.uk/motoring/news/8705894/Australian-man-convicted-for-driving-motorised-cool-box-while-drunk.html">the original</a> on 2011-08-18<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-02-09</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Video%3A+Australian+man+convicted+for+driving+motorised+cool+box+while+drunk&rft.pub=Telegraph&rft_id=https%3A%2F%2Fwww.telegraph.co.uk%2Fmotoring%2Fnews%2F8705894%2FAustralian-man-convicted-for-driving-motorised-cool-box-while-drunk.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ACooler" class="Z3988"></span></span> </li> </ol></div></div> <p>11. <a rel="nofollow" class="external text" href="https://everfun.com/">EVERUN COOLERS丨explore fun in nature</a><br> </p> </section><div class="mw-heading mw-heading2 section-heading" onclick="mfTempOpenSection(7)"><span class="indicator mf-icon mf-icon-expand mf-icon--small"></span><h2 id="External_links">External links</h2><span class="mw-editsection"> <a role="button" href="/w/index.php?title=Cooler&action=edit&section=7" title="Edit section: External links" class="cdx-button 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