A Brief Study About Army flag cases Army fag cases refer to the display cases which contain an army flag inside it. It is designed to display the army flag so that an individual can view it. In front of these cases, there is a transparent glass and at the back of this case, there is a cardboard due to which it gets support. You can hang these cases on your wall and also can display it in your showcase. It shows that you have achieved an achievement while working in the army. It can be the best gift for someone if you want to make them proud for any work they have done.