Stainless steel lunch box, that is, ordinary lunch box made of stainless steel. There are single-layer and double-layer designs. The advantages of this lunch box are durability, resistance to falling, heating in a steamer, easy cleaning and convenient carrying. The lunch box can be divided into several compartments and can hold several different meals.

Plastic lunch boxes are an ideal choice for people who often bring meals. Made of food-grade plastic, it is resistant to high temperature, difficult to deform and has good sealing performance. There will be a partition in this lunch box, and four or five grids can be used to hold different meals to ensure that all kinds of meals are not bad. It will also be equipped with a separate soup bowl, which is highly sealed and the soup will not leak out.

The electric heating lunch box is similar to the ordinary lunch box, except that there is a heating pipe inside. After electrifying, the lunch box is heated through the bottom of the lunch box without adding water. The heating temperature is constant at 70℃, and heat is transferred to food through continuous constant temperature heating.