Material
1. Upholstery: 1.0mm PU or 2A grade Italian half leather or Chinese cashmere 
2. Foam: moulded foam 
3. Armrest:high ajustable plastic 
4. Mechanism: synchronized with four position locks 
5. Gas lift: allow height adjustment 
6. Base: aluminum 
7. Caster: PU
Function
Knee-tilt mechanism with 4 position locked, height adjustable office chair
Color
Black, Beige, Bown, Grey,White or according to customer requirement