1. It provides elastic polyester mesh support, yet allowing ventilation for airly comfort. An option upholstered fabric back.

2. Come with armrest adjustable for height, made of black polypropylene (100% recyclable). An option armless.
3. The seat consists of molded polyurethane foam on a 2-piece shell structure, injection-molded in back polypropylene. Seat height is adjustable by means of a pneumatic gas spring.
4. SGS approval 3 class gas spring with safe, stable, durable. An optional 4 class gas spring
5. The ergonomic curved back frame design is made of white polyamide plastic.
6. The fixed lumbar support fits comfortably to the curve of your back to provide additional support for your lower back.
7. A weight-sensing mechanism auto-adjust reclines resistance according to user weight. The recline free-range is also adjusted from 0°-15°.
8. 310mm five-prong base of nylon (100% recyclable). 50mm, dual-wheel castors of molded polyamide (nylon).

Pneumatic seat height adjustment
Moves the seat up and down to adapt to various body heights.
360-degree swivel
Provides freedom of movement in any direction.
Tilt lock allows the user to lock out the tilt function.