Block the light and unwanted noise as well as save energy with this blackout curtain panel-all without compromising your style. innovative ThermaweaveTM construction uses a triple-weave technology to help keep the cold air out and the warm in easy-to-slide grommet-top design Sold individually. Hang on a rod up to 11⁄2 in diameter. Polyester. Washable. Imported. While supplies last.