About this item RETRO DESIGN: Combine retro and modern style on function and comfort, it fits at home as well as in the office. This office chair is designed with padded armrest, metal frame , technical fabric upholstered cushion and adjustable backrest, giving you different seating experience. HEIGHT ADJUSTABLE: Featuring pneumatic controls for raising and lowering the seat, position tilt mechanism, and a tilt-tension knob for adjusting the chairs motion, helps promote a comfortable seated position, you can lean back with perfect balance, as the tilt tension mechanism automatically adjusts the resistance to suit your weight and movements. METAL SWIVEL BASE: It adopts a stable black metal star base and is equipped with 5 pieces 360-degree swivel wheels. It's fast to move and strong enough for commercial use. Enjoy your cosy space by the mobility from the 360-degree swivel system. CHAIR DIMENSIONS: Seat Width: 18.9'; Seat Depth: 17.8'; Seat Height: 18.5-22'; Back Height: 15'; Overall Di