NWOT Quince Organic Cotton Channel Stitch Coverlet Set TWIN undyed NWOT Woven from 70% organic cotton 30% polyester Center 100% polyester Fabric features a matelasse construction with channel quilting Set includes quilt and one standard sham Sham features back envelope closure Machine washable. We recommend machine washing on the gentle or delicate cycle with like colors, with cold water. Line dry, or tumble dry low and remove promptly. Use a steamer or hot iron as needed.