This is a futon drying sheet from Nitori. When not in use, it comes with a storage bag, making it convenient for compact storage! ☆Purpose This sheet is used when drying futons, allowing you to dry them while preventing them from getting dirty. ☆Size 160 x 240cm Suitable for: Quilts: Up to single size Mattresses: Single to double size This is a new, unopened item, but it has been stored at home, so please understand this before purchasing. Thank you! ^_^