Certe is a bit expensive but nothing that receives coli when we say that the quality has to be there as it is doing Protection is hard (like no other that are often just a small plastic film) I put it on the smartphone and is good to see two seconds stick alone and not a single bubble, even need to remove a micro bullec'est bluffing And it's not because it's thicker than the smartphone does not work So it's expensive but it's worth