Hon Mid-Back Pneumatic Task Chair, 30-1/2 by 31-1/2 by 40-1/2-Inch, Mariner Mid-back task chair with posture lock features deeply contoured foam that supports the body for all-day comfort Control options encourage good posture Curvilinear back has pronounced lumbar support 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.