Black Adjustable Swivel Bungee Rolling Office ChairThis chair features a steel frame to provide sturdiness when the chair is in use. The elastic bungee strap back of this chair ensures air flows evenly on every side so you can feel fresh throughout the day. This design is height adjustable to personally tailor your space. Arms are stationary in a fixed position the design includes lumbar support, which improves healthy posture and keeps the spine in the correct alignment. Designed with a combination