Premium Ergonomic Mesh Office Chair with Adjustable Headrest & Lumbar Support

1.PP material with fiber addition and special mesh(on back and seat)
2.Plastic headrest
3.350 alloy steal metal base
4.60mm steel rim slient castors
5.3 levels locking sliding mechanism
6.split back support and three-piece support for the lumbar support, backrest can be adjusted independently
7.lift up and down,reclining,leisure angle mechanism.
8.80L 4cm sinking class 4 gas lift.
9.5D aremrest
10.with footrest
11.250pounds package