Get a clean, no-sew hem in just seconds with HeatnBond Hem for dark fabrics! HeatnBond Hem Adhesive for dark fabrics is a permanent, double-sided adhesive for hemming garments and home décor without any sewing needed. Hem tape comes in a solid roll with no paper lining or backer to remove. Use Regular strength with cotton, rayon, acrylic fabrics and polyester blends. Use Super strength with heavier fabrics like denim, suede, wool and corduroy.