Deconovo Kitchen Silver Coating to Reflect Sunlights for Boys Room 1 Panel Thermal Insulated Grommet Curtain, 52x84, Brown One Panel Per Package, each panel measures 52 W x 84 L. Deconovo curtains with blackside silver are also thermal insulated which prevent from heat escapes and keep the room cool. During the summer months they block the suns rays and keep the cool air in. It's made of 55% recycled cotton and 45% polyester. Please notice the 100% polyester marked on care label is not exactly. Machine washable, easy to maintain.