Product Description ? All Packir insulation bags are made of three heat-insulating layers and one support layer. Three heat-insulating layers include: Tinfoil layer inside, waterproof non-woven fabric layer outside, and heat-insulating cotton material between the two layers, providing excellent heat insulation that keeps food warm for up to 3 hours. One supporting layer is made of rigid plastic PP hardboard, which helps the bag maintain its shape and stand upright. ? Packir pays attention to details. All Packir bags have the following features: A removable cup holder(except for PK-32Y). Two side pockets for easy storage of small items (except for PK-GV and PK-76F). Comfortable shoulder and waist straps for stability when used as a backpack. Reflective strips for enhanced visibility at night. Four plastic feet on the bottom to withstand wear and tear. A support layer made of PP hardboard inside the heat-insulation layers to prevent the bag from losing its shape. ? Packir is committed to continuous improvement: The first-generation products used a supporting frame placed inside the bag. However, we found that the frame would break after prolonged use. From the second generation onward, we switched to PP hardboard inserted into the interlayer. This new supporting method keeps the bag neat and stable. Starting with the third generation, we rounded the corners of the PP hardboard to prevent breakage caused by friction between the hardboard and the nylon material. This improvement ensures the bag remains sturdy for long-term use. ? Easy to Clean: Both the outside and inside of the bag can be easily cleaned by wiping ------------------------------------------------------------------------------------- Capacity?65 Liters Keep Hot/Cool?3-4 hours Foldable?Yes Carrier Mode: Backpack &Top Carrying Handles Closure?Top(hook and loop fastener for closure) & Side (Zipper) Exterior Pockets?2 side pokets #productDescription { color: #333333; word-wrap: break-word; font-size: small; line-height: initial; margin: 0.5em 0px 0em 25px; } #productDescription_feature_div > h2.default { font-size: medium; margin: 0 0 0.25em; } #productDescription_feature_div > h2.books { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: normal; margin: 0px; } #productDescription_feature_div > h2.softlines { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: bold; margin: 0px; } #productDescription > p, #productDescription > div, #productDescription > table { margin: 0 0 1em 0; } #productDescription p { margin: 0em 0 1em 1em; } #productDescription h3 { font-weight: normal; color: #333333; font-size: 1.23em; clear: left; margin: 0.75em 0px 0.375em -15px; } #productDescription table { border-collapse: inherit !important; margin-bottom: 0; } #productDescription table img { max-width: inherit !important; } #productDescription table td { font-size: small; vertical-align: inherit !important; } #productDescription ul li { margin: 0 0 0 20px; } #productDescription ul li ul { list-style-type: disc !important; margin-left: 20px !important; } #productDescription ul ul li { list-style-type: disc !important; margin-left: 20px !important; } #productDescription > ul ul li { list-style-type: disc !important; } #productDescription ul li ul li { margin: 0 0 0 20px; } #productDescription .aplus p { margin: 0 0 1em 0; } #productDescription small { font-size: smaller; } #productDescription.prodDescWidth { max-width: 1000px } P.when('jQuery').execute(function($){ $("#productDescription table").each(function() { var width = $(this).attr('width'); if (width) width += 'px'; else width = 'auto'; $(this).css('width', width); var padding = $(this).attr('cellpadding'); if (padding) padding += 'px'; else padding = '0px'; $(this).css('padding', padding); }); }); #productDescription h3 { margin: 0.75em 0px 0.375em -1px; }