Product Code :3M31708 Manufacturer Code : 683-5CBINDEX. 3M Post-it Portable Small Index 12mm Assorted (Pack of 1) 683-5CBINDEX.This pack of 100 Post-it Assorted Index Refills provides an easy way to mark and highlight important information in an instant. With Post-it removable adhesive you can easily apply remove and re-adjust them as necessary whether you’re highlighting parts of a document or marking relevant pages in a book. With colour tips (blue yellow pink purple green) and a semi-transparent design you can mark areas on the page without obscuring text. These 1/2in tabs come in a handy portable format designed to slip into a diary or file.