Purchased on Amazon for 2000 yen. Used for about two weeks postpartum. - Color: Beige (between brown and beige) - Shape: Ring-shaped - Zipper: Yes - Cushion Type: High-resilience Quoting from the following site: 【Ergonomic Design!】 Designed based on ergonomics, providing comfortable seating even for long periods! Sitting by sinking into the center of the ring helps straighten the back and correct posture. It also helps alleviate tailbone pain and hemorrhoid pain. ✅【Easy to Sit On with High Resilience!】 Made with high-resilience urethane foam, it's resistant to flattening and slowly conforms to the shape of your buttocks. Also, because it's a donut shape, the pressure when sitting is distributed, stabilizing the lower back. ✅【Keeps Clean】 Removable cover with a zipper, washable! It's also breathable, keeping it clean. ✅【Size】 Approximately 38cm (length) x 31cm (width) x 7cm (height) ✅【Weight】 Approximately 400g Please understand that this item has been stored at home before purchasing.