This IPX8 rated waterproof backpack cooler features a magnetic auto-sealing double lock closure, ensuring an airtight seal up to 100 feet deep. It seals air, water, and gas-tight with a single touch. Two Fidlock magnetic buckles secure the closure. Constructed with an extremely durable waterproof Thermoplastic Polyurethane (TPU) shell and high-quality closed cell NBR insulation, this cooler holds ice for over 24 hours. Empty, it weighs 2.5 lbs and offers a 22-can capacity without ice. Dimensions are 22" H x 8" W x 17" L (top) / 13" L (base). A water-resistant front pocket with two web pouches and padded back straps with carabiner hooks complete its design.