Deconovo CT15282 Grommet Recycled Silver Coating to Reflect Sunlight 1 Panel Recyled Polycotton Curtain, 52x63, Black One Panel Per Package, each panel measures 52 W x 63 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.