These basic polyurethane chairs adjust to fit most body types and workstations. These polyurethane chairs are easily cleaned, making them ideal for almost any environment. Choose from rolling, non-marring casters (suitable for both hard and carpeted floors) non-marring ball glides (suitable for both hard and carpeted floors) on a nylon-reinforced fiberglass base. Foot rings are in nylon reinforced fiberglass. This polyurethane chair is also in desk or bench height.