BEIMILY lunch bag is soft sided lunch box bag with an adjustable shoulder strap and handle, and a main bag with a capacity of 8 liters. A front zipper pocket can hold napkins, tableware, spoons, forks, knives, and other small items. The interior is made of aluminum foil, and the main bag is made of environmentally friendly PEVA material. The design of the aluminum foil layer can effectively keep warm or cold for several hours, and the inner layer is made of food-grade PEVA material, which is non-toxic, safe, and environmentally friendly. The lunch bag is suitable for various occasions such as work, picnic, beach, and travel.