High Back Design With a Black Nylon Frame, Fixed PP (Polypropylene) Armrests for Stable Arm Support, 3-position Locking Mechanism, Allowing You to Select Your Preferred Reclining Angle, Gas Lift for Straightforward and Precise Height Adjustment, Black Nylon Base, and Moves Smoothly on PU (Polyurethane) Castors For Mobility. Color: Black Check out our latest executive chairs