Pellon Wonder-Under Fusible Web is a quick fusing web that can be used on fabrics, wood, and cardboard. This Fusible web can be stitched by hand or with a sewing machine and your needle will not get gummed up by the adhesive. This permanent web is machine washable and dryable. Pellon Wonder-Under Fusible Web is made of 100% acid-free polyester and measures 17" wide. This item is sold by the yard.