It's not just a cooler, it's a COOLER cooler. Designed with TRU Zip technology, the CORE Performance Series Soft Coolers stand out among the best in the industry. The patented TRU Zip zipper is fully waterproof, dustproof, airtight, and submersible (IP67). Our trademarked cooling technology, comprised of high-density EVA foam, heat-repelling mylar film, and heavy TPU waterproof lining, ensures your cooler will keep its contents cold. Combine that with a rugged abrasion-resistant shell and leakproof guarantee, and it'll keep keeping things cold for years to come. Features Superior ice retention: CORE HYPERCOLD insulation keeps contents chilled up to 3.5 days, using high-density EVA foam to retain cold, combined with reflective mylar film to repel heat Leakproof: guaranteed to be 100% leakproof thanks to the patented TRU Zip waterproof zipper along with fully welded seams inside and out Durability: the rugged TPU shell is both abrasion and puncture resistant, ensuring years of use Portability: side handles, a shoulder strap, and top carry straps create convenient transportation options Added storage: a front, water-resistant zippered pocket stores small personal items Patented TRU Zip zipper is fully waterproof, dustproof, airtight, and submersible (IP67) All weather Specs Model number: 40238 Exterior dimensions: 23.5 in x 13 in x 15 in (59.7 cm x 33 cm x 38.1 cm) Volume: 18L Capacity: 20 cans Capacity with ice: 11 cans Ice only: 17 lbs (7.7 kg) Empty weight: 3.8 lbs (1.7 kg) Ice retention: 3.5 days Additional Details: Imported Warranty: manufacturer's 1-year limited warranty