HON 5903AB90T Comfortask Multi-Task Swivel/Tilt Chair, Blue Strong lumbar support to minimize back pain. Oversized cushions for additional comfort. Multi-task control adjusts seat and back angles with a single lever. Casters supplied with this chair are not suitable for all floor types. DESIGNED, ENGINEERED & ASSEMBLED IN THE USA: When you buy HON, youre buying quality furniture thats more than a practical solution youre buying proudly American designed, engineered and assembled office furniture, backed by a lifetime warranty and network of dealers.