... , shoes. The M-type product is made by slitting a polyester film into precise and various sizes, after its one or both ... . The MH-type is a film with regular intervals that is twisted with viscose rayon, acetate, polyester, or other yarn types. Its ... -type is a film with regular intervals that is twisted at regular intervals with nylon, multi-colored viscose rayon, polyester, acrylic fibers ...