Mesh Office Chair High BackFeatures ERGONOMIC DESIGN: Is your neck often tense from all that computer work? Does your back pinch? Then treat yourself with this desk chair with a wide, adjustable headrest and ergonomically shaped, adjustable lumbar support! It ensures an optimal posture WORK OR RELAX: Take a little break during long working hours! The backrest of this chair allows you to lean back and lock at any angle from 90 to 120, offering you a comfortable back support for