Pellon SF101 Shape-Flex® White Woven Fusible Interfacing - by the Metre

Pellon® SF101 Shape-Flex® is an all purpose, woven, fusible interfacing.  It provides crisp support for collars, cuffs, yokes, pockets, facings, and other detail areas of a garment. 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 oxford cloth, chambray, gingham, madras, tattersall, pincord, flannel, and polyester/cotton blends.

For further information as well as instructions on use: 

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White colour - 20 inches wide.  Sold by the metre.