Really great product for the price. It's a bit thicker than I expected, just shy of an inch but on a desk it really doesn't matter. It keeps my Macboook Pro 10 degrees cooler and when I'm rendering things out it makes all the difference. The fan isn't very loud and is actually completely drowned out by the internal fans of my computer when they're going as well. It's a good piece of hardware to have to keep your computer cooler. 

Question: How is the airflow?
Answer: Really great product for the price It 's a bit thicker