Foshan White Heavy Duty Back Staff Office Computer Seating Nylon Fixed Armrest Drafting Chair

1.Back tilting: tilt tension, tilting & locking control in different angles, easily adjusted according to human ergonomic design ;
2.Seat height: adjust up/down easily according to needs ;
3.Back support: with lumbar support height adjustable for lumbar protection ;
4.Chair revolving freely 360 degree ;