Features a full-perimeter anti-slip rubber band, compatible with mattresses up to 25cm. ※ All-season use: Cool in summer and warm in winter, providing a comfortable sleep experience throughout the year. - Color: Light Gray - Material: 100% Polyester - Size: 200 x 200 cm, Depth 30cm - Retail Price: ¥4,980 Purchased on Rakuten. I opened it and put it on the bed once, but it doesn't fit, so I'm selling it. It will be sent in a compression bag.