Memento Grommet Panels feature a solid herringbone design with a foamback to help save energy; keep unwanted light out and help get a better night's sleep. Hang on curtains rods up to 1 ½ in diameter. Fabric: 100% Polyester, Backing: 100% Acrylate, Grommets: Stainless Steel. Machine washable. Photo Shows: Two Panels