Are you looking for a cooler backpack that can keep food and drinks warm for a long time? Our MATEIN cooler backpack has a spacious capacity and a practical design to bring convenience to your outdoor activities. ➤Double layer design, it can pack all your necessities for cold & dry item together ➤High quality leak proof Material, better insulation and easy to clean ➤Adjustable shoulder straps and waist strap to reduce your shoulder's fatigue when carry heavy stuffs ➤Padded sections on the back offer maximum comfortable and soft ➤Various zipper pockets to let you carry all your accessories with you ➤Perfect size for women men, great for a beach, picnic, hiking, fishing, camping or other outdoor activities Specification Size: 12 x 7 x 17.3 inch ·Cooler compartment: 12 x 7 x 9.8 inch (16 cans) ·Storage compartment:12 x 7 x 7.5 inch Weight: 1.6 Pounds Color: Gray Material: Waterproof Suggest Use Do not put the items (or ice) with sharp corners into cooler compartment as puncturing may occur. You can use the freeze packs instead to keep everything cool all day.