Although it is a new, unused item, there is one scratch on the back. Amazon price: 5980 yen [Supervised by a current Judo therapist] Supervised by Mr. Sasaki, a current osteopathic therapist, we have developed a "posture support chair" that allows you to easily maintain an ideal posture just by sitting. [Creates beautiful posture with an S-curve] Gently supports the body with an "S-curve" based on ergonomics. Your back straightens, and you maintain a beautiful posture. [Excellent pressure distribution] By sitting, weight is evenly distributed, reducing the burden on the lower back. Also, with moderate resilience that prevents excessive sinking, it firmly supports the pelvis. [Easy to carry with folding] Approximately 1.2kg, the lightest class. It folds easily, so it can be stored compactly and is easy to carry. [Fits a wide range of people, from adults to children] A design that can be used by both men and women. It also firmly supports children's posture, and correct posture is naturally acquired.