Kool(TM) Waterproof Bicycle Motorcycle Motorbike Handlebar Mount Holder Case for 3.5" - 4.3" Sat Nav GPS Devices/ Garmin Nuvi 200, 300, 500, 600, 700, 800 series GPS/ Magellan Maestro 3000/400 series, Crossover, and Roadmate 1000 Series GPS/ TomTom One, GO, XL series GPS Compatible with 3.5" - 4.3" GPS devices, Garmin Nuvi 200, 300, 500, 600, 700, 800 series GPS, Magellan Maestro 3000/400 series, Crossover, and Roadmate 1000 Series GPS and TomTom One, GO, XL series GPS Fits Bicycle and Motorcycle size handlebars up to 33mm in diameter Easy to install mount attaches to any bicycle, motorcycle, scooter, ATV or other vehicle with handlebars up to 1.2 inches Waterproof and Compact case perfectly fits your Bicycle and Motorcycle with handlebars. Transparent touch through lens allows you to view and control the touch screen of your Sat Nav