Shape Flex SF / Iron-On Woven Cotton Interfacing

Pellon SF101 Shape‑Flex® is an all-purpose, woven, fusible cotton interfacing offering a crisp finish and reliable structure for light to medium-weight fabrics. With a 20-inch width, it’s perfect for pattern detail work, quilt blocks, bag panels, or stabilising embroidery pieces

Ideal for fabrics such as chambray, gingham, flannel, madras, oxford cloth, polyester/cotton blends, and more, it bonds with heat to deliver structure to collars, cuffs, yokes, pockets and facings without distorting drape It also serves as a firm backing for needlework or punch-needle embroidery—giving your fabric a decorative weight and stability 

Fully machine-washable, dryable, and dry-clean safe, SF101 retains its performance over time—even after laundering