Contemporary Office Chair, Black LeatherSoft Upholstery, High Back Design with Headrest, Built-In Lumbar Support, Tilt Lock Mechanism rocks/tilts the chair and locks in an upright position, Tilt Tension Adjustment Knob adjusts the chair''s backward tilt resistance, Contrasting White Stitching, CA117 Fire Retardant Foam, Swivel Seat, Pneumatic Seat Height Adjustment, Padded Arms, Heavy Duty Silver Nylon Capped Metal Base with Black End Caps, Dual Wheel Casters, LeatherSoft is leather and polyurethane for added Softness and Durability