- Sealproof and Insulated: Our backpack cooler features 8 mm thick foam insulation combined with a high-quality silver PEVA gasket. This design effectively blocks UV rays and keeps your food and drinks cold for up to 16 hours when used with ice packs. - Waterproof and Easy to Clean: Made with premium PEVA material and hot seamless pressing, this cooler is 100% waterproof, ensuring your items stay dry. Cleaning is effortless, making maintenance a breeze. - Size and Storage: The cooler measures 18.1" x 12.6" x 7.5". The main compartment is insulated for beverages and food, with an additional upper zipper pocket for snacks, utensils, phone, wallet, and other essentials. It includes 2 front zipper pockets and a front elastic rope network, as well as 2 side elastic ropes for added convenience. - Durable Construction: Constructed from high-end, durable nylon, this cooler is built to withstand outdoor adventures while maintaining its form and functionality. - Ergonomic Design: Designed for comfort, the adjustable shoulder straps reduce pressure on your shoulders, ensuring a comfortable carry. The lightweight design accommodates individuals of various sizes. - Versatile Use: This multi-purpose cooler backpack is perfect for a variety of activities, including picnics, beach outings, camping, and daily use as a lunch backpack. When not in use, it can be easily folded for compact storage. - Practical Applications: Ideal for outdoor activities like hiking or tailgating, it also serves well for daily commutes or school lunches. Keep your favorite beverages and snacks at the right temperature wherever you go.