Flash Furniture, WL-A7671SYG-BK-A-GG, Pellen Swivel Task Chair, 35-1/2" to 41-1/4" adjustable height, 250 lb. weight capacity, mid-back design, curved ventilated adjustable mesh back, padded fabric upholstered waterfall seat, built-in lumbar support, infinite-locking back angle adjustment, height adjustable nylon arms, heavy duty black nylon base, dual wheel casters (assembly required) (in stock items usually ship within 24 hours)