Headrest: pp+30% fiberglass, widened mesh headrest.

Backrest: pp+30% fiberglass.Seat: 12mm seat plate+ Shaped sponge + elastic cloth seat cushion.

Chassis: 1-speed butterfly chassis locked in place, maximum tilt angle 120.

Arrests: PP fiber-added fixed armrests a> a>Chair wheel: 60/25 black nylon wheel.

Chair legs: gray frame 340mm nylon fiberized five-star base/black frame PP fiberized five-star base.

Air rod: stroke 100mm # countersunk 50mm three-stage air pressure rod.