We are an oem bag manufacturer. We carefully build outdoor ice bags, such as the one you are looking at: We use high-quality waterproof materials and insulation materials, which can adapt to most harsh environments (such as snow, wind, rain, hail, rivers, and oceans), and can ensure that your food and belongings are kept in the best condition. And it is so versatile that it can be used as a motorcycle backpack, travel bag, travel bag, backpack for sports, gym, travel, camping trips.