DuPont Tyvek is a material made of high-density ethylene fibers and does not contain any binders or supplements. It combines the advantages of three materials: paper, cloth, and plastic. It is of high strength, light weight, soft, smooth, water resistance, anti acid, anti static electricity, environmental protection and other characteristics. This Material is environmental protection; Easy to Identify; Waterproof; Security Guarantee; Soft Material; Light Weight; Custom Print Allowed.