Posture correction support chair. ● Applicable weight: L size = up to approximately 100kg ● L size is for men, with a gently rounded seat and a width of 43cm, accommodating larger buttocks. Size: Width: Approximately 43cm, Height: Approximately 31cm Depth: Approximately 33cm [Condition] There are no noticeable stains or major scratches, and it is in a clean condition. There is no significant damage to the underside. (Please refer to the photos.) No outer box or instruction manual. The main unit only. Will be packaged and shipped with bubble wrap and film. [Product Description] A pelvic support chair that naturally supports correct posture just by sitting on it. Recommended for desk work, remote work, and long hours of sitting. Can be used on a chair or on the floor. Compact design makes it easy to carry.