This swivel chair comes in easy to clean polypropylene and has a strong 16 gauge tubular steel frame. Frame available in black. Perfect for server rooms or small areas where a regular sized task chair would take too much room. Optional drafting kit available. Seat swivels 360 degrees. Gas lift seat height adjustment. Easy to clean polypropylene. Standard casters included. Optional glides GLIDES and hard floor casters HF CASTER available separately. Meets or exceeds ANSIBIFMA standards.Features Plastic shell back and underseat. One touch gas lift height adjustment. In and out back adjustment. FinishNavy Blue DimensionsSeat 18W x 19DBack 18.5W x 8.5DSeat Height 16 19.5Overall Height 29.5 33Overall Width 21Overall Depth 21Base 5 Star 25