Sougayilang Cooler Backpack is the perfect companion for your outdoor adventures. With a large capacity of 25/30 cans, it is lightweight and leak-proof, making it ideal for picnics, camping, hiking, beach, park, and trips. The backpack is made of 800D high-grade fabric and 5mm pearl cotton insulation material, keeping your food and drinks cold or hot for hours. It also features multiple pockets for storing items such as wine, beer, picnic mat, umbrella, and more. The adjustable shoulder straps are comfortable and suitable for both men and women. With its strong functionality and durability, this backpack is the perfect gift for your family and friends. If there is any problem with your backpack, please contact us.