SIIG's Adjustable Aluminum Laptop Stand for MacBook and PC supports laptops up to 17" with weights up to 13.2 lbs. This height adjustable laptop stand allows you to elevate your laptop to a comfortable position to reduce eye, neck and shoulder strain for optimal ergonomic condition. Premium solid aluminum construction with integrated rubber paddings ensures durability and stability. Open ventilation feature helps improve airflow for efficient heat dissipation and foldable design makes storage easy. It is an ideal laptop stand for long hour laptop users for better posture and maximum ergonomic comfort. Features Ergonomic Design: Adjustable height and tilt so you can angle the laptop for maximum visual comfort, great for customizing your desktop setup Compatibility: Fits 10-17 inch laptops such as Macbook Pro/Air, supports weights up to 13.2 lbs (6 kg) Durable and Reliable: Solid aluminum construction provides quality and dependability and long life Height Adjustable: Positions your laptop from 3.15" to 11.8" above the desktop to the best ergonomic positioning, reduces eye strain and fatigue. Also folds down for easy storage Cooling: Aluminum laptop shelf with ventilation hole improves heat dissipation to keep your laptop cooler and working efficiently Stable Platform: Integrated rubber pads and two front tabs holds your laptop in place and promotes stability