This ultra-thin (0.6 mm) TPU back cover for your Sony Xperia XZ1 combines the best features of a case: it provides protection for the entire back, as well as the edges and corners, it is made from 100% environmentally friendly, non-toxic materials, and it feels silky smooth and high-quality. Of course, the cutouts are precisely aligned with all ports and controls - the ideal, stylish everyday companion for your Xperia XZ1.