Cove Signs 138 Marvel - SHIELD HYDRA Choose Wisely Die Cut Premium Vinyl Decal - White 4" Die Cut Premium Vinyl Decal. Size: 4" X 2.7" X .01" Color: White Includes application instructions Sticks to any smooth surface Including but not limited to: Cars, Trucks, Boats, Helmets, Windows, Laptops, Tablets, Mirrors, Lockers, Skateboards, Snowboards, Surfboards, Cornhole boards, Etc, Etc, You get the point.