This Kylee Room-Darkening Energy-Efficient Curtain Panel is ideal for people who want to liven up the decor of any room. It is will also help to protect your home from heat and cold, so it will conveniently save you money on your energy bill. The bright, solid-colored, room-darkening window panel is durable. It filters out 99 percent of the light and also gives you privacy. This item is made from polyester.