6-level Adjustable Height With the 6-level height adjustment feature, you may find the ideal and most comfortable angle for your eyes and cervical spine, thereby relieving cervical stiffness and soreness. Ergonomic Design Raise your laptop to the ideal height, arch your back, and release tension in your shoulders and neck. Foldable and Portable It has a small size making it easy to carry and suitable for Office, Home and Travels. Slip Silicone It uses non-slip silicone to increase friction, making the laptop difficult to move, minimizing damage from friction between the laptop and bracket. Aluminum Alloy Material Elevated robustness, resilience to corrosion, and ease of use. Hollow-out Cooling Design To improve air circulation and hasten heat dissipation, the bottom has been Hollowed out.