Flash Furniture, BL-X-5M-D-GG, Swivel Drafting Chair, 43-1/4" to 50-3/4" adjustable height, 250 lb. weight capacity, mid-back design, ventilated mesh back, padded mesh upholstered waterfall seat, built-in lumbar support, tilt lock mechanism, tilt tension adjustment knob, padded flip-up arms, CA117 fire retardant foam, adjustable chrome foot ring, heavy duty black nylon base, dual wheel casters, black (assembly required) (in stock items usually ship within 24 hours)