This customized 12 grid corn starch PP composite degradable dumpling box, equipped with a special sealed dust cover, is made of high-quality corn starch biological substrate+food grade PP modified material, and is a special environmental packaging developed for frozen dumplings, Wonton, Wonton and other frozen pasta. The product adopts a precise 12 grid independent single compartment partition design, with one dumpling per compartment and independent storage, completely solving the disadvantages of dumpling stacking adhesion, peeling, deformation, and sticking to the bottom. The composite material combines the environmentally friendly properties of corn starch with the core advantages of PP material, such as low temperature resistance, anti brittleness, and high toughness. It is produced in a dust-free food grade process and can directly contact frozen ingredients.