Nobody likes lukewarm lemonade. Made with layers of soft, waterproof insulation, our cooler backpack will keep your drinks, food, and snacks arctic cold from sun up to sundown. Easy on your back, this leakproof cooler with adjustable straps makes bringing your bites with you a breeze - from beach trips to bonfires! Made with heavyweight PEVA nylon and a 1" thick thermal shield, this cooler backpack for is leakproof, weatherproof, and fully submersible.