Steam A Seam 2 Double Stick Fusible Web is pressure sensitive on both sides for a temporary hold to both the applique and background materials; pieces stay in place and are repositionable until fused with an iron. Once fused, the bond is permanent and machine washable and dryable. Lite is made especially for sheer and light weight fabrics and regular is designed for use with heavier weight fabric, paper, cardboard, wood and glass beads. Quickly create hems, seams and applique. Easily apply lace trim and ribbon.