The aluminum laptop stand is portable and foldable and has a strong stability with full angle adjustment and non slip silicones for a firm grip. It is compatible with the different sizes of laptops and also hollow out for easier cooling of the laptop. Suitable for supporting all sizes of laptops and tablets. aluminum alloy is solid as a rock ,more thick and durable ,while all angles are smooth .It can be adjusted according to individual sitting position height for you to create a more comfortable office posture. It has a silicone anti-skid surface.