Made of high-quality material, , firm and stable to use. Adjustable height, you can adjust the viewing angle according to your needs and relieve neck fatigue. Double triangle support design, more stable structure and not shaking. Hollow bottom heat dissipation, increase the air circulation, extend the life time of computer. Foldable and portable, easy to carry and storage, no occupy too much space. Anti-slip silicone bottom makes it stand stably on the desk and not scratch your device. Suitable for multiple environments, like office, home, outgoing and so on. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.