Arkon's GPS-WPCS-WS water-resistant holder fits GPS devices up to 4.3" in screen size and is compatible with selected Garmin, TomTom, and Magellan GPS. This mount package includes Arkon's Water-Resistant GPS Holder only (mounts sold separately). The water-resistant case zips open for easy access to the device and features a touch-compatible plastic face that allows you to operate the GPS with the case on.