3M Post-it Flags are indexing tabs designed to easily and quickly mark specific pages in documents or files. The pop-up design allows for convenient one-handed dispensing. With a standard 4-color configuration (Red, Blue, Yellow, Green), it enables systematic information organization. It contains 80 sheets in total, helping to improve work efficiency, and features clean adhesion that allows for repeated indexing without damaging documents. It is used for document classification and marking important content in offices and schools.