This sign is printed with ultra-high definition sublimation printing technology. This sign is a great opportunity to customize to make your message more meaningful and unique. Our marks are made from heavy gauge aluminum treated with .032 UV rays, and average means they are built to last. Sublimation creates an extremely hard image that is dissolved in a metal surface that makes it nearly impossible to damage. We recommend that you take time and do not put them directly in the sun to avoid fading, but you can install these funny signs anywhere indoors or outdoors. Made in China 30cmx20cm (11.8inch * 7.9inch) Premium Options are made of durable, heavier and UV protected exterior grade .045 aluminum to meet the demands of the toughest environments. This option provides years of weather resistance and durability. It is also built to protect against vandalism and allows you to easily remove spray paint and permanent markers without damaging the finished sign. Sign has holes on left and right for easy installation. (30cmx20cm(11.8inch * 7.9inch) The sign has holes in 4 corners. Note: This sign is made of metal. All scratches and rust due to age are image. The finish is smooth and shiny.