Heat-activated adhesive fastener bonds permanently with no sewing-actu ally strengthens with washing! High-tech adhesive cross-links with fabric to ensure lasting attachment even with washing. Works on most fa brics including cotton and blends polyester fleece suede canvas a nd more. Perfect for fabrics that are thick or difficult to sew and for making quick repairs. Ideal for creating no-sew decor clothing costumes and seasonal accents. VELCRO 91031 SOLD BY THE FOOT!