Environmental protection and safety : The raw materials are relatively easy to degrade and cause less pollution to the environment after being discarded.

Convenient and quick : it can be discarded after use without cleaning, saving time and labor costs.

Beautiful appearance : It can present rich colors and patterns through printing and other means, has a certain aesthetic appeal and can attract consumers.

Oil and water proof : To prevent oil or water seepage, the surface is generally treated with a coating or chemical additives are applied to give it certain oil and water proof properties.

Better quality : The cardboard has a certain stiffness and strength, the lunch box is not easy to deform and can maintain a good shape.

Strong customizability : different specifications, shapes and patterns can be customized according to customer needs.