Belleze Executive Office Chair w/Flip Up Arm Rest Modern Computer PU Leather, Black Padded seat and back for all-day comfort | Adjustable Seat Height For Best And Comfortable Sitting Posture Ergonomic office chair upholstered in black leather material 330-pound maximum weight capacity; assembly instructions included 5 star nylon base keeps the chair stable | Flip-up Arm Rest - Which makes the user more comfortable during work hours especially when working with computer to close position Dual-wheel casters, Pneumatic seat-height adjustment