Introductions:The Mesh Back Gas Lift Back Tilt Adjustable Office Swivel Chair with Headrest & Armrests is designed to make work more comfortable. It features an ergonomically designed mesh back that perfectly contours your back to reduce pressure to waist area. What’s more, the back can be tilted to lay flat for a cozy afternoon nap. The seat cushion is made from breathable cotton to ensure best sitting comfort. With its swivel mechanism and gas lift adjustable seat height, it is extremely mobile and comfortable for sitting over long periods for work. Headrest and armrests are included.