100% cotton. By choosing our cotton products, you’re supporting our investment in Better Cotton’s mission. This product is sourced via mass balance and therefore may not contain Better Cotton. Learn more. Opaque fabric blocks most light and helps insulate windows. sizes 48"w x 96”l Pole pocket diameter: 4.25". 2-in-1 construction with dual hanging options: rod pocket (bunched) or back tabs (pleated). Includes blackout liner. Blackout liner: 100% polyester in White. Blackout lining blocks all light (great for nurseries and bright bedrooms). Blackout liner is sewn in. Coordinates with West Elm’s window hardware (sold separately). Imagery reflects opacity of curtain when exposed to direct sunlight. Made in India.