1.Back frame: New PP+fiberglass back frame
with high resilience mesh
2.Seat: 6cm thickness High density sponge
3.Armrest: pp+15% fiberglass ,fixed armrest
4. Gaslift: 3-stage gas lift
5.Mechanism: 2.5mm thickness butterfly , can tilt
6. Casters: PP and Dia 50mm
7. adjustable lumbar pillow, 3D function with
cusion
8. Base :PP+Fiber glass , Dia .330 mm
9.Adjustable head rest with mesh,4D function
(down & up, front & back, 180degree rotary