Avery Margin Ultra Tabs offer a narrow body that fits within the margins of books, notebooks and printed documents without interfering with text. This makes indexing, flagging and referencing documents quick and easy. The durable tabs are writable on both sides and the adhesive body is clear so you can see text underneath. You can write on these page tabs with most pens, pencils, markers and highlighters, and they're smudge free.* These repositionable tabs stick securely, but remove easily without leaving any residue or lifting ink. Perfect for home organization; use these sticky tabs as page flags in magazines, bible tabs for passages or recipe index tabs in cookbooks. Students, teachers and administrators will find it easy to highlight textbooks and notes without marking the pages. At the office, make quick and easy sticky notes in your weekly or monthly planner and mark items in a report or presentation for referencing, follow up or signatures.*Ink dry times may vary. Tab may lift some inks. Test before applying. This 3-pack includes 18 red, 18 yellow, 18 green and 18 blue colored tabs, for a total of 72 tabs.