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.