If you have an EZ-Pass, then you need the EZ-Clip. Now comes in a 2 pack with a bonus microfiber prep towel. Use the microfiber prep towel to clean the surface of your windshield removing dust and debris so the suction cups hold easier and longer. Additionally the microfiber prep towel is also great to clean cell phone screens, iPods, iPads, sunglasses and reading glasses without scratching. The EZ-Clip allows you to firmly mount your EZ-Pass to your windshield without using permanent Velcro adhesives. Instead, EZ-Clip attaches with dual suction cups, so it's easy to install, easy to remove, and easy to switch between vehicles! Toll authorities require that toll passes be firmly affixed to your windshield, not hand-held. Avoid risking a violation! EZ-Clip is made from lightweight UV resistant ABS plastic and comes with a lifetime guarantee. A perfect fit for New York, New Jersey, Pennsylvania, Delaware, Illinois, Massachusetts, Maryland, South Carolina and Virginia EZ-Pass Note: EZ-Clip is a registered trademark of E-Squared, Inc. and is not affiliated with any Toll Pass Authority. H 3 1/2" x W 3" x D 3/4"