Have bought the protective cover last summer for my new Sony Xperia Z1 Compact. And even after months of inner substance nor the Display fluff full. But what really annoys me, for putting up the mobile phone is a small depression over the entire length in the display covering area. Here the display is not cleaned and the lint that accumulate very strong. So you can after opening, especially on sunny days always first clean the display. This I will probably not buy more. The other quality is really great. No seams to go on, the leather still looks good, torn anything.