Waterproof and easy to clean: The outer layer is made of waterproof Oxford cloth, and the inner layer is made of aluminum film, which can be wiped and easy to clean. Long-lasting heat preservation: built-in aluminum film, middle-layer heat-preserving pearl cotton, Oxford cloth outside, double-layer heat preservation and cold preservation, 2-6 hours of long-term heat preservation, whether it is warm tea or coffee, or icy cold drinks, You can easily have it. material: Oxford cloth and aluminum film not only keep long-term heat preservation, but also waterproof and easy to clean. Selected hardware zippers are still smooth of pulling and sliding tests. material selection: Oxford cloth and aluminum film not only keep long-term heat preservation, but also waterproof and easy to clean. Selected hardware zippers are still smooth after thousands of times of pulling and sliding tests. Light and portable: reusable, suitable for camping picnic bag, the beach, cooler bag, food carrier, travel cooler, food stobag, wine cooler bag etc. Colordarkblue Material: Oxford cloth + pearl cotton + aluminum film Size: 10*29cm/3.93*11.41inch Weight: 62g Capacity: 1.5 L Function: fruit and vegetable preservation, beverage cold preservation, food preservation This product includes: 2pcs Thermal Insulation Cooling Bag