not properly transparent

In summary:
-Not clear but as frosted glass
-very good grip
I have a black Sony and because I think that it looks good, I wanted a transparent shell. However, it is not absolutely clear, is more like frosted glass so whitish-shimmering what the phone will look less value ...
Furthermore, I have decided for the shell as is made of silicone and I had a "half-silicone" shell with a pattern behind with my mother saw and noticed that because the buttons are not easy to press. But what is here absolutely different. The buttons that let cellphones press very well.
It is good that on the left and right sides of the casing is roughened to enhance the handling of the phone enormously.