Do you have back pain? SIGMA home office chair with lumbar support will be the best choice to protect your spine from the pain and fatigue of sitting for a long time. Adaptive elastic waist support can automatically provide support strength based on body weight and contact angle. If you sit in the office for a long time, this executive swivel chair will be your best choice. Visit us: https://www.walkingpad.co.za/products/wp-sigma-ergonomic-chair?variant=40928502218927