Finland Courtesy flags takes on a larger dimension when you are the cruising guest of a foreign land. Show your diplomacy and savoir-faire: honor your host country and fly their native flag. More than just a gesture, you may well find that you gain a little more time on your visa to stay and enjoy when local Customs observes your etiquette. When you drop your yellow quarantine flag, be ready to raise the appropriate colors in its place. Courtesy flags are normally 12" x 18" with mounting grommets.