Great for organizing; Avery Ultra Tab margin tabs are great for organizing, referencing and indexing notebooks, files, planners and more; Avery tabs are perfect for use as bible tabs, journal tabs, report tabs and spiral notebook tabs Writable note tabs; Write on sticky note tabs with most pens, pencils, markers and highlighters on see through write able body and two sided, paper covered file folder tabs; Ink dry times may vary; Tab may lift some inks; test before applying Durable and repositionable tabs; Sturdy page flags stick securely and hold strong enough to turn pages, but remove easily for quick changes