1. Back of chair: The back of the chair is made of high-density elastic mesh fabric, and the back frame is black PA+GF

2. Armrest: Black fixed armrest

3. Seat frame: PA+GF reinforced outer seat shell, equipped with breathable holes and tool slots

4. Sponge: High density shaping sponge without powder, American standard TA117 fire protection standard, density not less than 58KG/㎡ to enhance comfort

5. Chassis: 3rd gear locked chassis, with a full seat angle of 105 ° -135 °

6. Air rod: German TUV certified Level 3 air rod

7. Chair legs: 340 black nylon legs

8. Chair wheel: 60MM PU silent black wheel