Aluminum Alloy: The laptop stand is made of aluminum. It is sturdy and durable, and can withstand repeated folding and unfolding. Reduce Back Stress: The portable laptop stand supports an 8cm / 3.1 inch high-angle increase, straightening the spine and reducing back pressure. Heat Dissipation: The adjustable laptop stand facilitates heat dissipation, and the spacing promotes air circulation at the bottom. Dual Angle Adjustment: The foldable laptop riser has a dual angle adjustment function, allowing you to easily find a healthy and comfortable height. Foldable Design: The laptop riser adopts a foldable design, taking up no space when folded and easily fitting into a regular handbag. s20-60-16