Pellon® SF785 Woven Sew-In Interfacing 20" x 10 yd Board is an all purpose, woven sew-in interfacing for light to midweight fabrics. It adds body and crispness to a variety of projects including shirts, jackets, and ties or can even function as a stand alone fabric. It is great for use with fabric such as oxford cloth, chambray, poplin, and calico. Style: SF785-B10