600 PCS: The package contains 3 sets of sticky note tabs with rulers, each set of 200 labels, and 3 styles. The best birthday gift, Christmas gift, and stocking filler for kids women men help make organizing easy and fun. Waterproof Material: Our index sticker is made of PET material, which is waterproof and dirt-resistant, has no peculiar smell, writes smoothly, and is easy to remove and reposition. Practical Function: The translucent index flags are easy to write, and can be used with a variety of conventional pens (ballpoint pens, highlighters, markers, etc.). The soft and beautiful colors can be color-coded well to highlight the key points. Reusable: The index notes tabs can be re-pasted. After tearing off, there will be no residual glue, will not damage the pasted surface, and will not cover any important information. Wide Use: Our colorful index label is suitable for the classification/footnote/page number/reading label of books, magazines, archives, documents, meeting records, study plans, diaries, etc. Suitable for you to use at home, school, library, or office.