Allow yourself to quickly retrieve data from dense documents, textbooks and personal planners. After the flag is no longer necessary, simply remove it and reuse it. Using a color coded system is a great way to keep track of important information and messages. Plus, for added organization capability, the flags can be written on with a ballpoint pen, pencil or permanent marker so you can make labels or add notes to the flags. Global Product Type Page Flags Color Red Message NA Page Flags Special Features NA.