Post-it® Index Flags make it simple to mark, flag or highlight important information. They stick securely, remove cleanly and come in a wide variety of colours. Draw attention to critical items or use them to index, file or colour-code your work, either at home, work or in the classroom. Post-it® Index Flags make it simple to mark, flag or highlight important information. They stick securely, remove cleanly and come in a wide variety of colours. Draw attention to critical items or use them to index, file or colour-code your work, either at home, work or in the classroom. The dispenser makes one handed dispensing easy to help keep you on track.