Post-it Notes Arrow Flags, " Sign Here", 1/2", Red, 20 Flags Per Pad, Pack Of 4 Pads - Find it fast with Post-it Flags. They make it simple to mark, call-out 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.