Ergonomic Office High Back Mesh ChairAn Ergonomic Office High Back Mesh Chair with Adjustable Lumbar Support, 3D Armrests, Tilt Function and 360 Rotating Wheels Features ERGONOMIC DESIGN The S type backrest is designed to imitate the human spine curve, effectively supporting the back and relieving pressure. The headrest features a 43cm wide cambered surface that fully supports the cervical spine, correcting for health issues, releasing brain fatigue, and inspiring new ideas, allowing you