【Comfortable Desk Chair】This computer desk chair is made of the high-density and breathable mesh back with lumbar support and thick cushion to provide you the most comfortable sitting.【Ergonomic Office Chair】Our small office desk chair has a 90°-120°tilt tension, 360-degree swivel make you use it flexibility all-day. The chairs for desks with adjustable lift lumbar support and armrest are designed with an ergonomic construction, providing comfortable support to help you keep a relaxed posture for a long time working. 3 gear adjustable height, suitable for people of different heights.【Sturdy Frame】This ergonomic desk chair has a high bearing capacity base, metal chair legs with smooth and rolling wheels which can support up to 300 pounds.【Space Saving】With Flip-up Arms, you can push the office chair under the desk to save your room space.【Easy to Assemble】All parts and instructions are cleverly packed into one box for easy assembly in less than 15 minutes.  If the back support office desk chair has any non-man-made damage or you have any questions about it, please feel free to contact us and we will provide you with satisfactory service. Product Description