High-quality materials: three-layer protection, the inner lining is aluminum film with cute patterns, heat preservation and freshness lock, waterproof and antifouling, easy to clean.Large capacity: different sizes to choose from, can hold your tableware, drinks, bento boxes or sandwiches. Small items such as mobile phones, napkins, keys, cosmetics, etc. can also be stored in the wild.Heat preservation and freshness preservation: Three layers of heat preservation materials, layer by layer to lock the temperature, reduce the heat energy transfer in the bag, and keep fresh for a long time.Humanized design: safe zipper design, smooth opening and closing, easy to store. Large opening design, easy to take. With a cute smiling face, bring your bag to travel, and feel good anytime, anywhere.Note: Small size: can hold lunch box*2+a small amount of fruit+milk+a single tableware. Large size: can hold lunch box*3+a small amount of fruit+milk+tableware for two persons+dessert. (Recommended size of lunch box: length?22cm, width?12cm, height?20cm). The above is the reference data, according to the actual size of the items you use may be less or more. Please select the product you are looking for according to the product size.