The versatility of a task chair can easily transition from a ist''s desk to the training room. A mid-back office chair offers support to the mid-to-upper back region. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. This chair will make for a great work or home office chair.Contemporary Office ChairMid-Back DesignBurgundy Fabric UpholsteryTilt Lock MechanismTilt Tension Adjustment KnobSwivel SeatPneumatic Seat Height AdjustmentNylon ArmsHeavy Duty Nylon BaseDual Wheel CastersCA117 Fire Retardant FoamSeat width: 19.75"WSeat depth: 18.5"DSeat height: 17.25" - 21.25"HSeat thickness: 5"Width: 26.5"WHeight: 36.25" - 40.5"HDepth: 27.25"DCapacity: 250 lbsBack size: 19.75"WBack height from seat: 21.75"Arm height from floor: 24.75" - 28.75"