Comfortable Seat for All Day Comfort- Ergonomic features an all-elastic premium mesh back and a high-density sponge seat making the mesh office chair a good choice for all-day comfortable office seating. The unique mesh design is skin-friendly and breathable, which keeps you cool all day.Ergonomic Lumbar Support- The ergonomically designed office chair backrest features prominent lumbar support that fits the natural curvature of the spine, helping you maintain a relaxed posture during long hours of work or study. This office chair is a perfect gift for your family and friends.Multifunctional Mechanism- The seat height of this 360° Rotating chair could be easily adjusted by the pneumatic adjustment lever, and the adjustment range is 18.5-22.2 inches. Besides, the 90 -120-degree rocking mode helps you to relax from hard work. It is perfect for the home office, bedroom, study room, living room, classroom, school, computer desk, apartment, guest workstation, gaming room or conference