Leakproof & cold / hot: The inner thicken foam and leakproof PEVA liner of the cooler backpack work together to keep food cold or hot for hours and make sure anti-leaking. You can drink cold beer and eat fresh snacks or fruits anywhere anytime, with your friends or family. Light yet Durable: Made of waterproof, durable oxford fabric, not easy to rip. Weighs 1 lb / 450g, ergonomic and padded shoulder straps greatly relieve shoulder pressure, making the journey more comfortable. Best lightweight backpack with cooler for work, picnics, road/beach trips, hiking, camping, cycling. Multiple Pockets: 1 main roomy storage compartment, 2 side mesh pockets, 1 large front zipper pocket with mesh divider to keep dry items organized. Front elastic rope can place towels. Dimension: 16.5" x 11.5" x 7.5" (L x W x H) Take It Everywhere: The perfect backpack for those trips with family, friends, or just by yourself. The Cooler Backpack is the ideal companion for going to the beach, lake, mountains, theme parks, or sporting events Rest assured, You can drink cold beer and eat fresh snacks or fruits anywhere anytime, with your friends or family-- wherever you are.