Pellon 931TD Fusible Midweight is a non-woven, fusible interfacing for medium to heavyweight fabrics. It is perfect for active sportswear, yokes on dresses and shirts, linings for snaps and buttons, and lightweight linings for pillows, curtains, and bags. It is excellent for use with corduroy, chino, and poplin. 100% Polyester. Sewing machine safe.