931TD is a fusible interfacing for use on mid- to heavy-weight woven and knit fabrics. Sportshirts, jackets, and active sportswear all permanently retain their flexible or controlled shape. Designed for corduroy, terrycloth, velour, chenille,, velveteen,, suede cloth, poplin, duck, denim, sailcloth, chino, linen types, hopsacking, gabardine, and double knits. Interfacing is 50% polyester, 50% nylon.