High-Back Office Chair with Faux Leather Rocking Function/Adjustable Seat Height and 360 Swivel Wheels BlackERGONOMIC DESIGN: This office chair has an ergonomic high backrest design with a sponge padded seat covered by faux leather providing back support and smooth comfort. The elevated armrests allow you to relax your arms when you need a break. ADJUSTABLE HEIGHT: You can adjust the desk chair seat height to match your desk and your sitting position. The high end gas lift makes it smooth and safe to adjust. MOBILITY: With 360 swivel wheels, this computer