Wide Compatible -It is compatible with all of 10-15.8 inch notebooks such as MacBook MacBook Pro MacBook Air Samsung Dell HP ASUS Lenovo ThinkPad Acer. And it supports weight up to 40lbs. Ergonomic -It can elevate the laptop from 3.15 inches to 5.12 inches. It gives you a perfect eye level making typing and reading more comfortable and reducing neck pain back pain and eye strain. Cooling -It is made of aluminum the material can help your laptop cooling. And it has a heating vent help your laptop keep cooling status all the time. Durable y Stable -It is made of high quality aluminum material more stylish and durable. Rubber protective hook and rubber anti-skid pad make you typing more stable and don t worry about the laptop sliding. Portable y Adjustable- This MacBook stand size is 9.64 * 9.84 * 4.08 inch. It features lightweight and adjustable greatly saves space. It becomes the best partner of working.