1.MATERIAL: PU/ Leather covered on seat, and PU on back

2.FOAM: High density and elastic sponge covered on both back and seat

3.FRAME: ∅19, 1.5MM thickness tube frame

4.ARMREST: Square tube plated + PP pad

5.BASE: ∮330 square metal plated base

6.MECHANISM: Butterfly mechanism

7.GAS LIFT: XIEQIANG plated GAS LIFT

8.CASTOR: 60MM PU castor