Dust and moisture accumulating on the laptop keyboard can affect the way it works. So you need a robust protective layer like the 15.6 inch laptop silicone keyboard protector to protect the keyboard from such external conditions. This cover also safeguards it from spilled food or drink. It also prevents leftover crumbs between the keys from hampering its working. With the silicone keyboard skin for 15.6 inch laptop, you no longer have to worry about having a working lunch as the food particles can't make their way to the keyboard with this cover on.