Contoured Molded Seat and Back with Built in Lumbar Support One Touch Pneumatic Seat Height Adjustment Multi Function Control with Adjustable Tilt Tension and Forward Tilt Ratchet Back Height Adjustment Height and Width Adjustable Arms with P

Mid Back Multi Function Ergonomics Chair with Ratchet Back, Seat Slider and 2-way Adjustable Arms .Contoured Molded Seat and Back with Built in Lumbar Support. One Touch Pneumatic Seat Height Adjustment. Multi Function Control with Adjustable Tilt Tension and Forward Tilt. Ratchet Back Height Adjustment. Height and Width Adjustable Arms with PU Pads. Heavy Duty Nylon Base with Dual Wheel Carpet Casters.