Quickly and easily add stability and crispness to fabrics, and reduce fraying with this light weight non-woven fusible interfacing. Works with many fabrics including chiffon, cotton, denim, fleece, flannel, satin, and tweed. Directions: Pre-Shrink interfacing by submerging it in hot water for 15 minutes and air dry. Pre-Wash all fabrics without softeners. Pre-test interfacings on materials before starting project. Cut Fusible interfacings per pattern instructions. Cut away seam allowances if needed. Pre-heat iron to wool (medium) setting with steam. Place the rough side of the interfacing onto the back (wrong side) of the material to be bonded. Cover with a light, dry pressing cloth. Press and hold iron with medium pressure for 10-15 seconds. Repeat by lifting iron to new area and pressing, slightly overlapping previous area until entire surface is bonded. Heat n Bond Light Weight Charcoal Iron-on Fusible Interfacing, 20" wide 100% polyester non woven.