Tubular steel.
Nylon glides.
Available options include a bookrack and a ganging device for 18" seat height only. Models are available with tubular steel arms and molded polypropylene armrests; these models cannot accept an optional ganging device. Models are available with a seat pad that consists of polyurethane foam covered with fabric. Optional steel-base and felt-base glides are available.
One-piece molded polypropylene shell.