I personally think bumper stickers are tacky and pointless. If you want to be opinionated then there are better ways to be than putting it on your car! Also the Illinois High School Association 2022-2023 IHSA Basketball State Finals Shirt in other words I will buy this adhesive on the sticker could stick to the powder coating and leave a nasty residue which could be impossible to get off without damaging the paint. This is where the type of car comes into play. When a Vehicle is installed with these stickers, it looks something like the above picture. The stickers installed on the vehicle are usually of 3 colours Red, Yellow & White. This will help the Vehicle to be visible in the dark, even with minimal lighting, from a distance of roughly 1000 meters. ECE104 is a regulation outlined in Europe for these Stickers to be pasted on Heavy Vehicles like Busses, Trucks & Trailers for safety reasons. Below picture explains how the stickers have to be positioned on the vehicle. Different countries however have different versions of these stickering guidelines. And the stickers are now used on Light commercial vehicles as well. Printers will print any sticker design you pay them to print unless it’s clearly illegal or will get them in trouble for aiding/abetting a crime. (Chrome bumper on a 1970 AMC Ambassador SST. Source: Wikimedia [ https://commons.wikimedia.org/wiki/File:1970_AMC_Ambassador_SST_hardtop_yellow-black_K-t.jpg ].