COSTWAY Adjustable Ergonomic Mesh Swivel Computer Office Desk Durable Mid-Back Task Chair Color: Black;Weight: 19.8 LBS;Maximum Load: 264 LBS Tested For:120-150 Kg(264-330lbs) Dynamic State Seating Area Dimension: 19.5" X 18.0" (W X D) Back Rest Height From Seat: 18.0"Overall Height: 33.5"-38.5"; Seat height: 17"-22"; Overall Dimension: 23.0" X 25.5" X 38.5" (Highest) Package Include: 1 X Office Chair Black