Utility flag tabs: help you plan, organize, prioritize and personalize work, such as studying for exams, reading books, filling documents and looking for schedule 7 Colors coding labels: eye-catching index tabs, good to highlight key point or color-code your work, so you can quickly and easily go back and retrieve information Writable labels: made of a kind of plastic named PET, recommend ballpoint pen and straight liquid type ball pen 3 Sizes and quantity: 2 sets of 0.3 x 1.8 inch, 2 sets of 0.5 x 1.8 inch and 1 set of 1 x 1.8 inch; Each set has 7 colors, each color has 20 sheets, 5 sets with 700 sheets in total Detail description: Function: these strips allow you to highlight the book without damaging it plus nothing bleeds through to the other side unlike when applying a pen or an actual highlighter. Suit crowd: suit for students, workers, library administrator. Applicable place: good for applying in books, magazines, folders, organizers, diaries, catalogue and files. 3 Different sizes: 1 Inch flags: The large size, you can write down enough words on the flags to label large documents or books. Color code the planners and documents can increase your efficiency and capability. 0.5 Inch flags: Smaller 0.5 inch wide flags are good page makers. Apply them to mark, tab, highlight and color-code your work, so you can quickly and easily go back and retrieve information. 0.3 Inch flag: Cute small index tabs can apply to your textbook, scrapbook or diary. PET strips material: Made of PET and easily written on. Removable see through strips, not too dark nor to light, you can see clearly through these sticky strips. Specifications: Quantity: 5 sets, 700 pieces in total Material: PET, a kind of plastic Size: 1 Inch flag: 25 x 45 mm/ 1 x 1.8 inch 0.5 Inch flag: 12 x 45 mm/ 0.5 x 1.8 inch 0.3 Inch flag: 8 x 45 mm/ 0.3 x 1.8 inch Color: rose red, orange, yellow, green, blue, deep purple, light purple Note: 3 Size index flags, please watch out the size before buying. The sticky are not along the whole strip. Half of the strip sticky, half of the strip doesn't stick down. These highlight stickers can not absorb the ink of the pen quickly as the paper, don't touch them when you're just finished writing, otherwise the handwriting will blur. Recommend ballpoint pen and straight liquid type ball pen.