Simmons 100% cotton box spring sheet, king size. Brand new and unopened, so it's in very clean condition. I purchased this as part of a set with other products. Although this item is not originally sold as a single item, for your reference, similar products are sold for around 20,000 yen. - Brand: Simmons - Size: 183 x 200 x 45cm King - Material: 100% Cotton - Color: Off-white - Made in Japan - Item No.: LB08050671 Please consider it! ^^