High Back Swivel Office Chair, Grape Microfiber Upholstery, Overstuffed Seat and Back, Built-In Lumbar Support, Waterfall Seat Promotes Healthy Blood Flow, Spring Tilt Control Mechanism, Tilt Tension Control Knob, Pneumatic Seat Height Adjustment, Padded Titanium Finished Nylon Loop Arms, Heavy Duty Titanium Nylon Base with Black End Caps, Dual Wheel Casters, CA117 Fire Retardant Foam