Removable, washable cover keeps your duvet fresh and your bedroom decor fresher. Printed 100% polyester top with white 50% polyester/50% cotton back. Concealed zipper opening and internal insert ties for easy assembly. Twin to King sizes available, and Twin fits most extra-long college dorm beds; check sizing guide for detailed measurements. Duvet insert not included. Machine washable. Since every item is made just for you by your local third-party fulfiller, there may be slight variances in the product received