Thank you for viewing. I received this as a new item last month, used it twice, and then stored it. I'm selling it because I don't seem to have a chance to use it. I hope to connect with someone who needs it. Thank you. The following is quoted from the website: For those who sit for long periods at office work For those who want to get back in shape after childbirth For those who want to wear the jeans they bought a long time ago beautifully For those who don't have time to exercise, or find it troublesome For those who have trouble falling asleep For those who feel tired By tightening the pelvis, "improves posture distortion" You can expect to improve your constitution with correct posture.