DELTA SMART PHONE HOLDER CADDY XL BLACKPhone is fully enclosed and securely mounted in place with a built in locking mechanism Included handlebar and stem cap mounts allow you to position your mobile phone in your desired location Compatible with phones up to 3. 5 inch wide, . 7 inch depth, 7. 8 inch length Securely mounts to handlebar diameters up to 1 3 8 31. 8 mm Weatherproof bungee and rubber inserts keep phone secure Sliding system allows for easy in out while on the go