Stay productive with this black mesh bar height office chair from RC Willey. This black office chair is perfect for sitting or standing desks. The pneumatic gas lift seat-height adjustment lets users alter the height of the stool. The ergonomically contoured seat and back are upholstered in black mesh fabric to withstand daily use, and the black nylon base in a five-star format adds stability to the stool. Move the stool easily on hooded double-wheel casters.