Flash Furniture, GO-WY-89-GG, Swivel Task Chair, 39" to 43-3/4" adjustable height, 250 lb. weight capacity, mid-back design, mesh back, padded mesh upholstered waterfall seat, built-in lumbar support, triple paddle control mechanism, infinite-locking back angle adjustment, multi-tilt lock mechanism, tilt tension adjustment knob, height adjustable padded arms, CA117 fire retardant foam, heavy duty silver nylon base with black end caps, dual wheel casters, black (assembly required) (in stock items usually ship within 24 hours)