Find it fast with Post it Flags. They make it simple to mark, flag or highlight important information. They stick securely, remove cleanly and come in a wide variety of colors. Draw attention to critical items or use them to index, file or color code your work, either at home, work or in the classroom. Blue, Initial Here Messaging, 1 in. Wide. Find it fast. Flags make it simple to mark and highlight important information. Ideal for marking documents without writing on them.