97898CGY Contoured Grey Plastic Back Ergonomic Managerial Chair by Office Star Multi-Function Chair. Perfect for workers who spend extended periods of time at their work stations. Intelligently designed chair provides comfort and support to both your body and mind. Contoured plastic back with built in lumbar support, and high quality foam seat affords for hours of cozy seating, Minimizing fatigue and alleviating pressure on the spine.