About this product:Leak-proof Backpack Cooler Bag: Our cooler backpack's liner is made EPVA material and uses a high-tech seamless heat-pressing process to ensure leak-proof performance. You can enjoy cold drinks, fresh fruit, or snacks with family or friends anytime. Please note that the zipper is not completely leak-proof; please handle with care to avoid tipping.22-Hour Insulated Backpack: Thickened insulating aluminum foil foam and a leak-proof liner ensure superior insulation performance. Whether you're camping, at the beach, picnicking, hiking, traveling, boating, playing outdoors, or working, our cooler bag will keep your beer and food cold/hot/fresh for a long time.Large Capacity Multi-Pocket Design Cooler Bag: This cooler backpack features multiple pockets, with the main compartment holding up to 36 cans of beverages (32 liters). Two zippered pockets on the front can hold cutlery and a mobile phone, four side pockets can store umbrellas and drinks, and there is a top pocket for snacks and fruit.Waterproof Portable Beach Cooler Bag: Made of high-density Oxford cloth with a waterproof surface treatment, our backpack cooler bag is 100% waterproof and easy to clean. The S-shaped, thickened, breathable shoulder straps make carrying easier. In addition, our cooler pack is equipped with a bottle opener and reflective strips, making your outdoor activities safer and more convenient.Multi-functional Backpack-Style Cooler Pack: This stylish beach cooler backpack is sure to garner countless compliments. The AMNOW insulated cooler pack is the ideal companion for outdoor activities; it can be used as a lunchbox or a portable mini cooler backpack, suitable for hiking, beach outings, camping, picnics, fishing, travel, and many other occasions.Polyamide