Chair with Eco thermo-polymer shell available in several colors or Pure Eco thermo-polymer (100% recycled) available in sand color and 4-star aluminum swivel central base and self-return system in polished aluminum finish but also available in other aluminum colo s. Available options: Upholstered seat pad, upholstered shell pad and fully upholstered shell, parallel stitching upholstery. Fire r tardant version available, for further information contact our Sales Department.