Pellon® 71F Peltex® I One-Sided Fusible is an ultra-firm, smooth, heavyweight stabilizer for accessories, crafts, home decorating, machine embroidery, and quilting. It is easy-to-sew, even when sandwiched in between other fabrics. Peltex® I will not flatten out or be distorted with steam pressing. It has no grain and can be cut in any direction.