Thank you for viewing. This product is listed on Amazon for ¥18,480. I purchased it in mid-August, but I'm selling it because I bought another chair during delivery and won't be using this one. Therefore, it is a new, unopened product. In addition to the product itself, the original box and all instructions are included. 【Product Overview】 The key to good posture is to stabilize the pelvis and maintain the S-curve of the spine. To spend long hours sitting comfortably, the key is to have the correct sitting posture and distribute your weight. The "Chiro Support System" realizes authentic posture care with its unique functions. Soft, comfortable seating for long hours. Soft molded urethane. 【Product Description】 By applying chiropractic methods, this unique system provides authentic posture care just by sitting. Comfortable even after sitting for long hours with flexible posture support and soft seating. The sophisticated Style SMART, with its beautiful form and chic color, will beautifully enhance your daily life. 【Product Details】 Brand: Style Product Type: Home & Kitchen Product Name: [Limited Color] Style SMART (Gray) MTG Posture Correction Pelvic Support Chair Cat Back Seat Manufacturer: MTG Product Number: YSAK1J010300 Product Contents: Normal Color: [Limited Color] Gray If you have any questions, please feel free to contact me via message.