The different colored button raises the cases positively from the monotony of many alternatives.
While the rugged silicone sleeves sit not super tight, so that in the middle of the IPhone a teeny-weeny "belly" results, but you can take the phone for fast out of the holder, about to charge with the docking.
Tip: In conjunction with free wallpapers apps like "Lock Screen Designer Free" can be a nice uniform look achieve (see uploaded photo).
Note the color: What is this "green" and touted as provided by the manufacturer, "lime", is rather highlighter yellow (to the button).
Best Buy!