3M Post-it Flags for files are index tabs designed to efficiently categorize and mark specific pages in binders or documents. The tabs, measuring 25.4mm x 38.1mm, come in 3 colors and are made of a translucent material that allows you to see the content even after attachment. They are highly useful in office environments and educational settings where systematic management of document organization or important study materials is required, and their easy-to-attach design enhances document readability.