4.5&rdquo; Diameter Transformer Vinyl Decal for Car Fuel Window Bumper Sticker (Decepticon) Transformer Vinyl Decals for Car Fuel, Window, Bumper Color:Black Diameter:4.5 Decals can be EASY applied to any clean, smooth, flat surface Made of 7 Years Premium quality Outdoor Vinyl Material, waterproof, self-adhesive, and removable