Features: Made of stable aluminum alloy, with firm structure and smooth surface. Easy to clean. vThe bottom with silicone to protect your desktop. Lift your computer screen by 5.5 cm, giving you ergonomic viewing experience, relieve neck and back fatigue. You can place paper documents, keyboard, mouse under the stand to increase storage space and tidy the desk. Hollow design, cool the computer quickly, extending the life of the computer.