Materials:
11.Headrest:Heatless Korea Mesh (KM-22)  
2.Backrest:Heatless Korea mesh(KM-22)                  
3.Seat:High elastic foam wiht fabric cover.
4.Base:Polished aluminum star base.
5.Castor:Black nylon castors.
6.Lumbar cushion:S shape fabric with sponge.
7.Armrest:PU cover.

Functions:
1.Mechanism:Wire-controled Synchronized, multi-angle tilt lock.
2.Lumbar cushion:Adjustable(up & down)
3.Seat height:Adjustable(up & down)
4.Armrest:Height adjustable, left and right twistable.Outward applicable.
5.Headrest:Height adjustable.
6.Seat slide:Forward& backward slidable.
7.Seat tension:Seat tension adjustable.
8.Seat pan tilting:Seat can be tilt up at 5 degrees.9.Seat width:Width extentable.10.Seat width:Width extentable.