I think that it is imperative for successful against 1 shot.
Look, feel, tactile quality: superb.
It remains to confirm the long term, there is no off the corners / edges to.
2 button Home Protection stickers provided: 1 black, 1 white / translucent; personally, I have not felt the need to ask him; I prefer to stay on my button "hollow", rather than spend a button "bump"