Backpack Cooler Leak Proof Cooler Backpack 18L Large Capacity Waterproof Lunch Bag For Men And Women For Picnic, Beach, Camping, Fishing, Day Trips, Etc. Features: Large Capacity Backpack: The ice pack fits almost any size lunch box with of space for lunch boxes, snacks and other essentials. Leak-Proof Insulation: Keeps food warm or fresh for hours. SUPERIOR INSULATION AND DURABILITY: Our reusable cooler bags are made of durable Oxford cloth to keep food warm and fruit fresh for hours. MULTI-PURPOSE: The soft and stylish ice pack can be used not as an insulating lunch backpack, but also as a hiking backpack, camping backpack, fishing backpack, travel backpack, a great companion for outdoor activities and a great gift. This soft cool backpack is leak-proof, insulated and waterproof to make your trip even better. Product Description: Product Name: Cationic Backpack Product outer layer material: cation Product style: three-dimensional square Product inner material: thermal insulation aluminum foil Product size: 26*20*36cm Product features: Internal aluminum film material, thermal insulation and cold protection.