I purchased this for around 16,000 yen. I used it for about 3 months, so there is a feeling of use, but it is not noticeable. The red CUVILADY balance chair has a design that is perfect for posture correction and provides a comfortable sitting experience. Product Overview "360° Squeeze Swing" moves the waist CUVILADY firmly wraps and holds the waist, so your waist muscles naturally move just by swaying. Furthermore, the lower part of the main body is a hard hemisphere, so you can do training that sways 360° (in all directions). Supports the creation of a beautiful "waistline" by combining "core training" and "twisting exercise" intensively. ・Perfect for those who are busy with work or housework and don't have time for exercise. ・Try doing 2 sets of 90 seconds a day. ・Easy for beginners with the support handle. 【Product Specifications】 Color: (O) Red Size: Approximately 362 x 408 x 356mm * Seat height approximately 184mm Weight capacity: Approximately 120kg * For those with hip sizes of 110cm or more, or 70cm or less, the tightening of this product may not function properly. Material: (Main body) Hard urethane foam, soft urethane foam, EVA (Side fabric) 92% polyester, 8% polyurethane (abrasion-resistant fabric) 100% polyester (dedicated stand) ABS resin, rubber (support handle) polypropylene, silicone rubber (measuring tape) EVA - Model name: CUVILADY - Color: Red - Brand name: MTG - Purpose: Posture correction - Design: Balance chair Thank you for viewing.