A biodegradable lunch box is a container for packing lunch or food that is made of biodegradable materials and has environmentally friendly properties. This lunch box can decompose through a natural degradation process after use and does not produce environmentally harmful plastic waste, thus reducing the negative impact on the environment. 

 

Using biodegradable lunch boxes helps reduce the generation of plastic waste, protects the environment, and is in line with people's pursuit of sustainable development and environmental protection.A Biodegradable corn starch lunch box is a lunch box made of corn starch as raw material, which is biodegradable and environmentally friendly.

 

Cornstarch is a biodegradable, natural material that is often processed into the shape of lunch boxes through processes such as pressing or injection molding.