What material is the safest and healthiest lunch box? What kind of material is good?

1, made of heat-resistant glass. The glass lunch box has stable physical and chemical properties, high temperature resistance, non-toxicity, and good freshness, and is very suitable for holding meals. Moreover, microwaves can penetrate glass materials and can be heated in a microwave oven. But glass is fragile, and accidents are easy to occur in the process of use.

2, stainless steel lunch box. The lunch box made of stainless steel has stable chemical properties, relatively good heat preservation and sealing, convenient cleaning, corrosion resistance and low temperature resistance, and can be processed in layers when serving. But microwave can't penetrate, and stainless steel lunch boxes can't be heated in the microwave oven.

3. Ceramic lunch box. Ceramic lunch boxes heat faster, which can shorten the heating time of meals and keep them fresh. However, when choosing a ceramic lunch box, don't choose a ceramic lunch box containing gold and silver wires to avoid sparks when heating.

4. Military lunch box. Military lunch box is a professional lunch box used by troops in marching and fighting. It is light and compact, easy to carry and not easy to rust. Moreover, the military lunch box is mainly made of aluminum, which is thin and fast in heat conduction, but attention should be paid to avoiding burns when using it.

5. Plastic lunch box. Plastic lunch box is the most common lunch box, which is light in weight and easy to carry. Try to choose PP lunch box to avoid releasing toxic substances when heating.