Pellon® SF101 Shape-Flex® is an all purpose, woven, fusible interfacing. It provides crisp support for many bag projects. It can also add body and permanent stability when used as a backing for needlework and punch embroidery. Shape-Flex® is intended for light to medium woven and knit fabrics, including quilting cotton, oxford cloth, chambray, gingham, madras, tattersall, pincord, flannel, and polyester/cotton blends. Sold by the 1/4 yard.