Flash Furniture, BL-X-5M-WH-WH-GG, Swivel Task Chair, 37-1/2" to 41-1/4" adjustable height, 250 lb. weight capacity, mid-back design, ventilated mesh back, padded upholstered waterfall seat, built-in lumbar support, tilt lock mechanism, tilt tension adjustment knob, padded flip-up arms, CA117 fire retardant foam, heavy duty white nylon base, dual wheel casters, white (assembly required) (in stock items usually ship within 24 hours)