Enhanced stability : It can prevent the lunch box from falling apart due to shaking during transportation, and improve the overall stability of the lunch box.

Environmentally friendly and safe : Made of degradable materials, it can reduce the generation of plastic waste, is more environmentally friendly, and is relatively safe and non-toxic when used.

Beautiful appearance : A more beautiful appearance can be designed to attract consumers.

Good quality : It has certain stiffness and strength, is not easy to deform, and can maintain a good shape.