1.Black PA+ fiber glass 4D headrest( up&down,turn over,forward& backward,large angle turn over adjustment)

2.Black PA+ fiber back frame with multi function(up& down,adjustable waist support,independent tilting for first part backrest)

3.The new PA+fiber glass lumber support with lock function;

4. Italian imported yarn textile mesh

5. 3D armrest+PU surface

6. SGS approved Class 3 gas lift

7.3 locking position mechanism+seat slider

8. 340#Black nylon base, ∮60 black PU castors