Deconovo Curtain and Drape Thermal Curtains with Backside Silver Curtain for French Door Dark Grey 52 W x 63 L 1 Panel 100% Polyester Imported 1.It is made of 100% polyester, imported. 2.Please wash the items by hands, and iron them in low temperature. 3.One blackout drapes per package. Each panel measures 52 inch wide by 63 inch long. 8 silver grommets per panel. 4.The room darkening panels are made of materials that reduce light, and considerably darken the room. Some light will show through. 5.During the winter months these room darkening curtains help keep out the cold while holding in the heat. During the summer months they block the suns rays and keep the cool air in.