The office chair perfectly contours to the body, providing support for your back and neck. The sponge foam cushion, the thickness is 7cm. With adjustable seat height, which meets the different height needs of different people, it is suitable for users who are about 155-185cm tall. Turn on the rocking mode, the adjustable backrest angle is 90°-105°, which makes you relax in tiring work. The adjustable angle of the armrests is 90°, You can place the chair under the table to save space. The nylon casters swivel 360° and glide silently on any type of floor. A detailed user manual and all necessary parts are included. You can easily assemble the computer chair by following the instruction steps without additional tools. It is easy to set up and can be done by one person in just 15 minutes.