Flash Furniture, GO-5307B-GG, Swivel Task/Computer Chair, 36-1/2" to 40" adjustable height, 250 lb. weight capacity, mid-back design, mesh back, padded mesh upholstered waterfall seat, built-in lumbar support band, tilt lock mechanism, tilt tension adjustment knob, height adjustable padded arms, CA117 fire retardant foam, heavy duty chrome base, dual wheel casters, black (assembly required) (in stock items usually ship within 24 hours)