PELLON-Sew-In Heavyweight Interfacing. This bolt of heavy weight interfacing contains 30yds/27.5m and is constructed of 70% polyester/30% rayon; is non-woven and was created for sewing into heavy weight fabrics. This interfacing is perfect for home decor and crafting projects. Care: machine wash; tumble dry low; dry clean. Interfacing measures 20in x 30yds. This product is priced by the yard but sold only by the 30yd bolt. Made in USA.