Made with 100% super wash wool. Carded and resin bonded to help resist bearding & migration. Washable - Hobbs recommends washing in tepid water by hand and laying out flat to dry. Will not shrink. Can be quilted up to 4in apart by hand or machine. As a natural fiber, wool breathes better than other fibers and acts as a natural insulator, helping to maintain a comfortable temperature in summer or winter. King size: 120in x120in.