Ink Free: These narrow highlighter strips are made of PET, which means they not leave permanent ink and ink bleed through on pages like an actual highlighter or pen, you can freely highlight without defacing, damaging or devaluing your books Wide Applications: These highlight sticky note strips are great for rent books, library books, textbooks, highlighting text or sentences on documents and files and making them easy and quick to spot and revise important information Stickiness: Half of each highlighter stirps are sticky and they can be easily peel and repositioned, never worry about any highlighter mistakes again; enough sticky to stay on exact sentences and leave without trace Sizes: fit most books and you can easily alter it into needed length; Each pad of strips has 5 different colors and you just need to carry one single and pad to classroom or library instead of bulky highlighter pens Assorted Colors: perfect for daily reading and study needs and great for color coding or making a color theme, also you can share them with your classmates, friends, colleagues and so on Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:As Shown Material:PET Package Contents: 12 * page markers tabs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.