Armchair with Eco thermo-polymer shell available in several colors or Pure Eco thermo-polymer (100% recycled) available in sand col or and 4- star aluminum swivel central base and self-return system finished in polished aluminum, white or black. Optional 4 casters Available options: Upholstered seat pad, upholstered shell pad, fully upholstered shell, parallel stitching upholstery and upholste ed arms. Fire retardant version available.