Nylon Frame High Back Executive Mesh Office Chair With Adjustable Headrest

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 ;
5. Base: smoothly and easily rotating