Nostalgia Decals Shelby American 50 Years Decal is 5" x 4" in size with in the United States Shelby American 50 Years Decal is 5" x 4" in size. Made of High Quality Material Designed to take a beating outdoors for years. Our vinyl decals will stick to most anything. 3 year outdoor warranty. Designed and produced in the U.S.A.