Do you love GEOcaching? How about backcountry hiking? Maybe you simply like the idea of knowing exactly where you are. If so, you most likely have a GPS unit! The OtterBox 1601 GPS Case (with Magnet Base) is the perfect accessory to any GPS unit. With the heavy-duty magnet base, you can attach this case to many different metal surfaces! Guaranteed to extend the life of your device, this water-resistant, dustproof and airtight case offers the user peace of mind, by ensuring that your GPS card stays unharmed during the nastiest of conditions. With a lifetime guarantee, the OtterBox is an excellent investment to secure the safety of your device.