This addendum can be used on any make vehicle, but was originally designed for use with the GMC Maroone label. Not for use in the state of California. Overall form size is 4.25 x 11, Plastic-Back and seals to the window on all 4 sides with our clear vinyl Slick-Stick backing. With backing overall size is 4.5 x 12.Wholesale (Auto) Forms supports dealerships with FTC approved, dealership-quality stickers that last for the life of each vehicle on your lot. Never replace an auto form again. Don’t see exactly what you want? Custom forms are available.