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.