Difficult to qualify this article while remaining polite! or say "piece of c ...", "true m ..." As long as the case is not in contact with some other thing, no problem, that's the way I kept for months, but woe to me who transported traveling in a backpack because it only needs to be in contact with a surface, an object and a slight friction occurs and it's over in coating because it is a film, a thin film (1 micron?) which is fraying. Keep it in the shade, it will always appear to have taken a serious sunburn ... 10 euros, I want to but now there has clearly abuse. (I'm sorry I can not show pictures for evidence).