... layers (kraft paper, PE coating, and plastic woven fabric.) 2- Its a new type of bags with high intensity, toughness, and moisture ... -plastic) is made of kraft paper, coating, and weaved cloth---A total of the three-tier (craft paper, coatings, weaved cloth ... % magma from composite wood composite base. As a new type of packaging bags, it has a high strength, toughness, and moisture-resistant ...