Drinking, buy a 3 pack or the protections that were torn by removing the protective film and where the cut was poorly done. wear and scratch very quickly (about 2-3 months of life in my case), after a few months of use, the screen had become so blurred stripes showed.
most: The anti-glare, it's great and it mitigated the effect "blur" the cintiq. And it protects the screen of the beast Cons: too short life for the price, a shambles to install (do it two is much simpler)