High quality materials: three-layer protection, the inner lining is aluminum foil with cute patterns, heat preservation and freshness lock, waterproof and anti-fouling, easy to clean. Large capacity: various sizes to choose from, can store your tableware, drinks, Hold bento boxes or sandwiches. Small items such as cell phones, napkins, keys, cosmetics, etc. can also be stored in the wild. Heat preservation and freshness preservationThree layers of heat preservation materials, layer by layer to lock the temperature, the heat energy transmission inside the bag reduce, 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, take your bag with you when you travel and feel comfortable anytime, anywhere. Note: Small size: can hold lunch box* 2+a small amount of fruit+milk+a single tableware. Large size: can lunch box* 3+a small amount of fruit+milk+tableware for two people+dessert. (Recommended size of the lunch box: length 22 cm, width 12 cm, height 20 cm). 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.