Safe material: Our stickers are made of high-quality PET material and special adhesive, waterproof, non-toxic, odor-free, smooth writing, and will not leave marks on books, documentsPacking List: 6 individually wrapped page tabs, total 600 tabs, 0.4 inch sticky labels, 3 different Morandi colors and colors as picturedWritable and repositionable: Book note labels have removable adhesive on the back for easy repositioning, you can take them off without tearing the paper or pageRemovable packaging design: each label stationery is an independent removable packaging, one at a time, convenient and fast, accurate in dosage, easy to store and dust-proofWide range of applications: This tabbed stationery helps you plan, organize, prioritize and personalize work such as preparing for exams, reading books, filling out documents and finding timetables