High Back Swivel Office Chair, Made of Eco-Friendly Materials, Double Padded Seat and Back, Built-In Lumbar Support, Tilt Tension Control, Spring Tilt Control Mechanism, Waterfall Seat Promotes Healthy Blood Flow, Pneumatic Seat Height Adjustment, Padded Silver Finished Nylon Loop Arms, Heavy Duty Silver Finished Nylon Base with Black End Caps, Dual Wheel Casters, Black LeatherSoft Upholstery, LeatherSoft is leather and polyurethane for added Softness and Durability, CA117 Fire Retardant Foam