Executive High Back Swivel Chair, Made of Eco-Friendly Materials, Black Leather and Mesh Combo Seat, Mesh Back with Built-In Lumbar Support, Spring Tilt Control Mechanism, Tension Control Knob, Pneumatic Seat Height Adjustment, Polyurethane Capped Chrome Metal Arms, Chrome Finished Base, Dual Wheel Casters, Black LeatherSoft Upholstery, LeatherSoft is leather and polyurethane for added Softness and Durability, CA117 Fire Retardant Foam