Feature:1. THREE LAYER TEMPERATURE LOCK: Backpack cooler three layer temperature lock, waterproof closed cycle insulation.2. ADJUSTABLE BACKPACK: backpack adjustable buckle, wear resistant buckle, convenient to adjust the length of the backpack, convenient for your use.3. WITH SIDE POCKETS: Thermal backpack with side pockets on both sides, can hold water bottles, umbrellas, etc., convenient and practical.4. LARGE OPENING ZIPPER: Insulated backpack cooler with front zipper pocket design, large opening zipper, convenient to take directly from the front.5. WATERPROOF: Insulated cooler backpack waterproof and stain resistant, encrypted waterproof Oxford cloth fabric is easy to clean and durable.Specification:Item Type: Camping Insulated BackpackMaterial:Oxford Cloth, PEVA Film, Aluminum FoilColor: Black.Package List:1 xCamping Insulated Backpack