Sleep & Beyond 66 by 86-Inch Washable Wool Comforter, Twin, Natural Cover: 100% Natural Cotton Percale/ Fill: 100% Shropshire Wool Imported Washable wool comforter that can be used throughout all four seasons Keeps you warm in winter and cool in summer; Encased in unbleached natural cotton percale fabric, 270TC Shropshire wool needs to be cleaned less frequently than other fibers; Washable cover is recommended