Improve the ergonomics of your laptop with the Kensington Collapsible Aluminum Laptop Riser | With support for laptops up to 16inches | This collapsible laptop riser is ultra portable and can travel in your backpack with your laptop, making it perfect for on-the-go professionals | Seven levels of adjustment offer heights between 2.24 and 5.83inches as well as angles from 12 to 44 degrees | Anti-slip silicone pads keep the riser in place while its aluminum and steel construction keeps it durable |