Materials:
1. Headrest: Heatless Korea Mesh (KM-12)
2. Backrest: Heatless Korea mesh(KM-12)
3. Seat: Heatless Korea mesh(KM-12)
4. Base: Polished aluminum star base
5. Castor: Black nylon castors
6. Lumbar cushion: S shape fabric with sponge
7. Lumbar support: Chromed aluminum.
8. Armrest: PU cover

Functions:
1. Mechanism: Wire-controled Synchronized, multi-angle tilt lock. Backrest tension adjustable.
2. Lumbar cushion: Adjustable(up & down)
3. Seat height: Adjustable(up & down)
4. Armrest: Height adjustable, left and right twistable
5. Headrest: Height adjustable.