Product Description: This is a pelvic correction chair purchased on Amazon. It supports the pelvis just by sitting on it, and is an item that helps improve posture and core training. It's lightweight and doesn't take up much space, so you can easily use it at home. Condition: Used a few times. There are no noticeable stains or scratches. Other: Feel free to ask any questions or negotiate the price. Instant purchase is also welcome!