Eurotech 4X4 Multi-Function Task Chair - 18-22" Seat Height - Slider Seat - Navy - Navy Seat Height: 18a"22" Seat WxD: 20-1/2x19" Adjustable: seat height, back height, seat tilt, swivel tilt with tension control, back angle, arm width, arm height Material: Fabric upholstery Base Type: Casters