Robust and safe: The metal frame gives a steady support and make the movement stable and safe. Ultimate Control: Rolling casters Wheels is convenient for the flexible mobility in the office. Comfortable: This office chair has a backrest. You can get superior comfort and support during long time working, studying or gaming. Esay to assemble: The desk chair is very easy to assemble, and the package contains all the hardware, no extra tools needed. Wide use: Our office chairs are not only suitable for teenagers and adults, but also can be used in a variety of occasions, beautiful and practical.