Only operates when affixed to glass windshields Not designed for use on motorcycles SunPass is Floridas prepaid toll program; it is very similar to the EZ Pass electronic toll system. In short, SunPass saves about 15 to 20 on toll costs in Florida, and it can be used on any toll road in the Sunshine State, whether it is operated by Floridas DOT or county or city governments. The SunPass Mini sticker, is meant to be remain in one car only. BRAND NEW Comes preloaded with starter credits for immediate use.