Reduce lower back strain and regain your body's natural posture with this ergonomic kneeling chair with included back. Kneeling chairs sit you in a position to allow your diaphragm to move efficiently and promote better breathing and blood circulation. The frame is height adjustable to get into your preferred seat height. This chair can be used as a permanent office chair or used in conjunction with a conventional task or executive office chair. [WL-3439-GG]