Thick Cushion Comfortable and thicken padded seat cushion offers for all-day comfort,high resilience sponge material can lastLonger for your office Adjustable Lumbar Support Comfortable Ergonomic mesh office chair with nylon adjustable lumbar support to provide exceptional support, providing firm back support to reduce back pain. Home Office Chair Lean Back Function Office chair offers that you can personally adjust height of the chair to match your needs. 90 to 120° Tilting Would BeThe Most Comfortable Angle to Sit and Relax.