Apontus Mid-Back Mesh Office Computer Chair Weight: 13.9 LBS Tested for :120-150 kg(264-330lbs) dynamic state Seating area dimension: 15.8 inch x 16.5 inch (w x d) | Back rest height from seat: 17.7 inch Overall height: 33.1 inch - 37.6 inch | Overall dimension: 16.1 inch x 19.7 inch x 37.6 inch (highest) 360 degree swivel wheel and chair can run smoothly on floor | Height adjusted by pneumatic gas lift | Adjustable seat height for best and comfortable sitting posture