Nylon

NOTE : To ensure proper assembly, please follow all steps provided in the installation manual (provided in pdf below) 【Ergonomic Design】Ergonomic is one of the main design concepts of each single office chair. With the special curved lumbar support and armrest, you could relieve fatigue during working or studying on this computer chair. 【Adjustable Height Office Chair】Move your seat up and down with ease using the simple pneumatic mechanism of this beautiful desk chair. This home office chair is number one in providing you with comfort at all kinds of workplaces like home or company's office, conference rooms, hotels, lobbies, and receptions.