HON IW801NT10 Ignition Series Big and Tall Mid-Back Work Chair with Black Fabric Upholstery, Black Mid-back chair is specially engineered and warranted for users up to 450 lbs Pneumatic seat height adjustment moves the seat up and down to adapt to various body heights Controls on this chair are easy to reach and simple to understand, featuring only two levers and front-access tilt tension Fits your body 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.