His name is sponge paper. Sponge paper's full name is foam paper. Sponge paper is made of high-quality materials with strong toughness, uniform coating and stable quality. Advanced technology, accurate cutting, flat end face, no interface and consistent tightness. The product packaging specification is 600 pieces/piece. Sponge paper is a widely used packaging material. Products are widely used in the outer packaging of high-grade products, and can also be processed into bags as needed. Sponge paper (pearl cotton) used in sponge paper has a wide range of uses, with the functions of sound insulation, heat insulation, alkali prevention, moisture prevention, waterproof, heat preservation, antistatic, acid resistance, high impact resistance and so on, which is beautiful and practical.