Pellon Shape Flex SF-101 Fusible Woven Interfacing Uses: Provides crisp support for collars, cuffs, yokes, pockets, facings, and other detail areas of a garment. Adds body and permanent stability when used as a backing for needlework and punch embroidery as well as bags and pouches. For light to medium weight fabrics. 20" wide Sold by the YARD and cut continuously