Did You Check Your Circle of Safety Around Your Vehicle? It's Your Responsibility. Every work truck, van or car needs one of these vinyl weatherproof decals on each door...right above the handle! Our CIRCLE OF SAFETY decals are laminated, which means they are thicker than most and they are abrasion resistant, meaning they will last much longer than thin, cheaper decals. Measures 4.6" in width and 3" high. The perfect size for your truck. Safety First!