Size: 630W*570D*1035H
1) Backrest: PP with glass fiber
2) Seat and backcover: Mesh back + fabric seat with Foam 3) Armrest: fixed, PP with glass fiber
4) Gas Spring: TUV approved Class 3
5) Based: PP with glass fiber. Benz shape patent designed (more durable) 6) Castors: PA nylon
7) Mechanism: up&down adjustment, locked, back-till
