✍【Quality Material】The sticky tabs are made of premium quality PET material and special adhesive, waterproof and no odor. Smooth writing, and will not leave marks on books,Translucent design makes it never hide any information you have marked. ✍【Writable and Repositionable】The book annotation tabs have removable adhesive on the back for easy repositioning,you can take them off without tearing the paper or page. ✍【Rich Color Marking】3 different color schemes, each set is different,use it to mark and highlight the important information, different colored index labels are great to highlight key points or help you color-code your work,so you can find retrieval information faster and easier.Save your time, improve your work and study efficiency. ✍【Wide Application】These colored transparent sticky notes flags helps you plan, organize, prioritize and personalize work such as preparing for exams, reading books, filling out documents and finding timetables. Stick it any where and remove it without the hassle free of peeling out. ✍【Portable packaging】Each label stationery is an independent removable packaging,It can be carried easily, convenient and fast, accurate in dosage, easy to store and dust-proof.