To convert this chair to a 24 Hour Chair, select a {24 Hour Fabric} and select the {Add Heavy Duty 24 Hour} option. Use Mechanical Control Functions - M
More @Work Chair Info
Width: 29" - Depth: 26" - Height: 45" - Seat Width: 23" - Seat Depth: 20" - Seat Height Range: 15.5 to 20".