Premium washable wool keeps the chill out while helping to regulate body temperature by wicking moisture away. 233 thread count 100% cotton shell filled with premium washable wool. Naturally hypo-allergenic and dust mite resistant. Warm hand or machine wash on wool cycle using an approved wool detergent. Reduce spin. Line dry in shade. Do not bleach or tumble dry. Do not iron. Dry cleanable. Twin 39oz. 64"x88"; Full/Queen 53oz. 88"x88"; King 63oz. 104"x88"