Heat n Bond Fusible Interfacing is great for quilting, home decor, and craft projects. Adds crisp detail to light, medium, and heavy weight fabrics. Use in collars, facings, pockets, and detail areas. Perfect for sewing projects requiring stabilization of a fabric, reinforcement of a fabric or extra body to a material. No pinning, basting or shifting. Fuses in seconds, is easy to sew through and is a polyester blend. Machine wash and dry cleanable. Medium Weight 20"x 1yd- Great for medium cotton, light demin, flannel, fleece, linen, and light wool. May vary due to thickness of fabric.