Thank you very much for viewing! The product may have been opened for inspection! Thank you for your understanding and cooperation! 【Posture Support Chair to Protect Your Lower Back】 Compared to the previous model, we have simultaneously released a new model with increased width and height. The new model is a multi-functional, integrated type that prevents lower back pain even when sitting for long periods, allowing you to enjoy a healthy and fun daily life. In the first week, you'll be in the adaptation period, the second week is the holding period, and by the third week, your body will naturally learn good posture. 【A Recommended Item Created Through Long-Term Research and Development, Prototyping, and Measurement】 This product is a masterpiece created by a veteran with 8 years of experience in research and development, who spent 1095 days on research and development, made over 30 prototypes, and conducted 30,000 hours of actual long-term sitting tests. 【What Sets It Apart from Other Products!】 The molded urethane can be removed and washed with water. The backrest is designed with a seashell in mind, enveloping the entire back. The seat surface is also curved to correct posture and prevent leg crossing. The softness is optimal, correcting posture and providing comfort even when sitting for long periods. These curves are meticulously calculated based on ergonomics. The bottom has non-slip pads to prevent slipping and protect the chair itself from damage. 【Breathable and Applying the Principle of Leverage】 The material is breathable, and a ventilation circulation system is adopted to prevent feeling hot even in summer. In addition, this product is designed based on scientific evidence that applies the principle of leverage, strongly supporting the lumbar vertebrae. 【Safe and Eco-Friendly Product with Design Registration】 This product is an original development product and has obtained a design registration certificate. It also does not use adhesives, contains no formaldehyde, and is environmentally friendly. Please purchase with confidence. Posture Correction Chair 【2024 Latest Version】【Japanese Brand】Supports the Pelvis and Lower Back Posture Support Chair 【Molded Urethane Removable, Washable】 Ergonomic Design, Improves Poor Posture, Comfortable for the Lower Back, Can Also Be Used as a Floor Chair, Lightweight, Easy to Carry, Office, Telework, Break Time, Study, Gifts for Women, Men, Students, Parents (Blue)