Features: Enhancing your study and reading with these colored PET label adhesive notes page markers, featuring strong adhesive ensures clear visibility and repositioning without residues for efficient organization. Water resistant adhesive PET label is writable and re-stick. Recommend write with colored pencil, ballpoint pen, highlighter, oil based marker. Not suit for fountain pen, water color marker, dip pen and gel pen. Suitable for students highlighting textbooks, office workers managing files, and teachers organizing lesson plans with color coded indexing, combining aesthetic appeal with practical functionality in academic work project. Great for marking pages in novels, tagging urgent documents in binder folders, leaving reminders on laptop, planner, calendar, novels, fridge, or creating study notes in notebook journals without obscuring underlying text. Works great as adhesive notes, labelling sticker, file labels, reading notes, page marker, highlighter strips, reading bookmarks, labelling codes, reading sticker, and more. Specifications: Component: PET; Adhesive Color: 30 Color; 60 Color, 120 Color, Small Size: Approx. 12x27mm/0.47x1.06in Middle Size: Approx. 25x31mm/0.98x1.22in Large Size: Approx. 45x27mm/1.77x1.06in Weight: Approx. 25g Package Includes: Package Option Package1: 30Sheets Adhesive PET Label Package2: 60Sheets Adhesive PET Label Package2: 120Sheets Adhesive PET Label note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color