100% European flax.Various lengths, all sizes 48″w.2-in-1 construction with dual hanging options: rod pocket (bunched) or back tabs (pleated).Opaque fabric blocks most light and helps insulate windows.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 window hardware (sold separately).Each curtain panel sold separately or as a set of 2.Linen woven from European-grown flax, constructed in China.