Eclipse Samara Blackout Energy-Efficient 42"x 63" Curtain Panel, Set of 2 - Indigo 100% polyester Set of 2 Eclipse Samara Blackout Energy-Efficient 42"x 63" Curtain Panels #35587102 100 percent polyester Machine washable Light-reducing - Noise-reducing - Energy-saving Use 2 window panels on a standard or decorative rod for optimal coverage