Excellent Quality: Crafted from sturdy aluminum, making for an outstandingly solid and durable computer stand that’s also smooth and sleek in appearance. This laptop holder is portable to carry around for a trip. Customize Your View: This adjustable laptop stand can be adjusted to your ideal viewing level, tweak the angle up to 90° and elevate the height to your eye level (up to 8.27in) to alleviate stiffness in your back and neck, and improve your posture. Smart Protection: Hollow design and aluminum panel ensures proper cooling with fast heat dissipation; 4 slide-proof silicone mats create an anchor and also guard the notebook from scratches by the computer stand. Uniquely Strong Design: Drawing inspiration from the human arm, the laptop holder's single arm design is remarkably sturdy, using the most resilient 3mm thick aluminum to reliably prop up your laptop for the long haul. Premium Compatibility: The laptop stand fits a wide variety of laptops including Surface Pro / MacBook Pro / HP/ ASUS/ Lenovo / Google PixelBook, Dell XPS from 10 to 17" Note: To adjust the tension of the laptop riser, simply open the plastic cover at both side and use the wrench to adjust it.