Cooler backpack crafted with 600D polyurethane coated polyester; leakproof PEVA heat pressed liner inside of the insulated backpack work together to against leaking, easy cleaning and safety; lunch cooler bag designed to keep food and drinks fress or cold up to 16 hours(with freeze pack)Roomy main compartment of insulated cooler bag holds up to 40 cans (330ml), top zip compartment of travel backpack cooler is ideal to store your snacks or fruits, Approx. Dimensions: 47 x 34 x 21 cm/ 18.5 x 13.4 x 8.3 inches; Approx. Weight:1 kg/ 2.2 lb; Approx. Volume: 33 L/2014 cu in2 front zip pockets of camping coolers offers enough space to organize outdoor accessories; 1 zip organizer pocket helps to easily store and reach some disposable tableware, from plates to forks, 2 side elastic mesh pockets of lunch cooler backpack allow to keep your umbrella or picnic blanketBack with padded back system, dual contoured shoulder straps of fishing cooler backpack for better carrying experience. Front and shoulder straps of beer cooler backpack features with reflective straps for night visibility and safety. 1 zinc alloy beer opener built on shoulder strap for convenientLarge backpack cooler bag is a versatile sports rucksack daypack for hiking, camping, boating, fishing, hunting, lunch, picnic, weekend out, gym, backpacking, travel, trail, cycling and other outdoor activities; carrying day bag is suitable for women, men, teenagers, adults.