Flash Furniture, GO-WY-85-8-GG, Hercules Series 24/7 Executive Swivel Office Chair, 39" to 41-3/4" adjustable height, 300 lb. weight capacity, 24/7 intensive multi-shift use, multi-functional, mid-back design, ventilated mesh back, padded fabric upholstered waterfall seat, adjustable height lumbar support, triple paddle control mechanism, 2-to-1 locking Synchro tilt adjustment, seat depth adjustment, height adjustable arms with inward/outward pivot pads, CA117 fire retardant foam, heavy duty chrome base, dual wheel casters, black (assembly required)