Pottery Barn Velvet Twill Blackout Curtains Stunning from floor to ceiling. The richly dense fabric is perfect for keeping sunlight at bay. Woven of cotton velvet, these curtains add a layer of luxe and a pop of sheen. Made of 100% cotton velvet. Blackout liner: Crafted from 100% polyester, it prevents most light from entering windows to help darken the room. Our curtain’s 3-in-1 construction offers three hanging options: rod pocket, back tabs, ring top 50" W x 84" L