Costumes. tape-like material made of spun adhesive, heat-activated, for no-sew seams and interfacing. The most common product is Stitch Witchery®.
Dritz Stitch Witchery Fusible Bonding Web - 5/8'' x 20 yards at HSN.com
Dritz Stitch Witchery Fusible Bonding Web - 5/8'' x 20 yards at HSN.com