Ergonomic Executive Swivel Office/Task Chair, 39-1/2" to 45-1/2" adjustable height, 250 lb. weight capacity, multi-functional, high back design, waterfall seat, patterned fabric upholstery, built-in lumbar support, triple paddle control mechanism, 2" adjustable height back, infinite-locking back angle adjustment, 2-to-1 Synchro tilt adjustment, tilt tension adjustment knob, height adjustable padded arms, CA117 fire retardant foam, heavy duty black nylon base, dual wheel casters, black (assembly required) (in stock items usually ship within 24 hours)