Roc-lon No.443 Rain-No-Stain 100-Percent Cotton Insulated Drapery Lining, 54-Inch by 18-Yard, White 100% Cotton Made in the USA and Imported Insulated Drapery Lining, Energy saving Roc-lon keeps homes warmer in winter and cooler in summer, reducing fuel costs Permanent water repellent finish helps prevent oil or water-borne stains and streaks even after repeated laundering 100% Cotton, a completely natural fiber, with soft, drapable hand Ultra-Violet inhibitors protect against sun deterioration and fading, crease resistant finish