1, plastic lunch box: the quality of lunch boxes is generally light and easy to carry, but the plastic with poor quality will produce certain toxicity when heated, so we must pay attention to strict selection. The commonly used safer material is PP (polypropylene).

2, metal lunch box: most of them have heat preservation function, stainless steel has better performance, convenient cleaning, corrosion resistance and low temperature resistance, and large capacity, which can be layered, but it is not convenient to carry.

Metal lunch box 3, glass lunch box: non-toxic and harmless, the most reassuring to use, this kind of lunch box can be heated by microwave, and it is easy to clean. It is generally well closed and has no odor, but its weight is often heavy, and it is not resistant to falling and is not suitable for carrying.

Glass lunch box 4, bamboo/wood lunch box: The design appearance is very prominent, and the shape is generally eye-catching, but it can't be used for heating. Moreover, materials such as bamboo and wood are troublesome to maintain, and it is easy to get moldy in wet environment, and it is not easy to clean at ordinary times, which is easy to breed bacteria.

The wooden lunch box is a detailed introduction about the types of lunch boxes. The materials and characteristics of different types of lunch boxes are different. I suggest you choose according to your own preferences and actual situation.