1.Insulated backpack cooler bags are made of double-sided waterproof material and leak-proof zipper to effectively minimizes loss of cool air. 100% waterproof material and perfect sealing feature ensure soft sided cooler excellent performance.
2. With a detachable shoulder strap, reinforced top strap and side handle straps, you can carry it in hand or on your back or take with a companion.
3.Super Long Cooling Performance: More Than 48 Hours Extra Long Cooling Insulation Time Under a 107 Degree Indoor Environment. Lining is Composed of 28mm Thick High-density Insulation Foam and TPU Waterproof Film. Outer Layer is Composed of 840D TPU Coated Cloth, More Durable.