PELLON: Fusible Wonder-Under. This fusible web tape is extremely versatile for use in apparel, quilting, crafts, and home decor projects. The paper-backed adhesive web turns any fabric into a fusible fabric, and it can also be used on any porous surface such as wood or cardboard. Each package contains 20 yards of 5/8-inch- wide Wonder-Under. 100% polyester. Care: Machine wash warm, tumble dry low, do not use fabric softener, may be dry cleaned. Made in USA.