Mesh Office Chair with Adaptive Lumbar Support, Flip-up Armrests, Reclining Backrest-Black

● Designed for office workers who need to work and sit for several hours● Ergonomic design better relieves the pressure on the back and lumbar spine● Comes with a lumbar support to ease spinal stress and reduce back pain● Control lever and tension control (tight and loose) for easy adjustment● Adjustable armrests meet the preferences and needs of different users ● Flip-up armrests to save space and provide more flexibility● Adjustable headrest is designed to provide comfortable support for your neck● Adjustable seat height and 360°rotation suit different needs● Breathable mesh and soft sponge give you comfortable and cool sitting experience● Premium gas lift with SGS certification serves for a long time● Heavy-duty 5-claw metal structure ensures high-intensity support● Flexible wheels can rotate 360°easily without making too much noise