The garmin silicone case for the edge 520 is a protective case that will save your garmin from getting scratched or cracked if you drop it the garmin stays fully functional with all buttons working normally the case comes in a range of colours that will match the aesthetics of your bike the case is open from the front for best possible screen use and the rear is also open to allow for all mounting options keep your edge in pristine condition and safe from breaking with the garmin silicone ca