AMZFUN Office Chair, Ergonomic Desk Chair with Lumbar Support, High Back Mesh Computer Chair (Black)

This ergonomic office chair supports the natural curve of the spine to keep you in good posture. Three positions tilt angle adjustment and fixed, you can lean back to 90°, 120°, 135°, which allows you to pick the proper level for long-term comfort. It's perfect for offices, bedrooms, study rooms, conference rooms, reception rooms and game rooms. Suitable for people around 5'4" to 6'4".