Mesh Chair Ergonomic Design With Lumbar Support

Super-large tilt and rocking function: maximum backward tilt angle up to 150 degrees. Support tilt lock, if you want to unlock, please sit with a backward force until hearing a click. Adjustable height and 360 degrees swivel: chair height adjustment range 45.0-52.50cm. Ergonomic design: backrest and seat cushion are made of strong elastic breathable mesh: thick ,resilient and breathable. Adjustable lumbar support, fit your back in real time. Upright high backrest. Removable & adjustable headrest and 2d full-pu adjustable armrest. Stable, firm structure: thick iron core. Three-degree gas cylinder. Supports up to 300 pounds. Smooth-rolling pu caster: silent, durable, scratch-proof. Package: 1 x office chair.