Product Material: These labels are made of high quality PET, which is easy to write on. You can write on it with a ballpoint pen. .Product Design: These tags can help you plan, organize, prioritize, and customize tasks, such as studying for exams, reading books, completing paperwork, and finding schedules. .Product Use: 5 different colors, distinguished from each other for you to flip and retrieve information quickly and easily, can be pasted repeatedly for easy repositioning, and you can peel them off without tearing the paper or page. .Package Contains: 600 Translucent Sticky Text Fluorescent Stickers, 5 Colors: Blue, Green, Yellow, Orange, Red It will not obscure text and can easily mark or highlight important information. .Wide Range Of Uses: It can be glued to the edge of the notebook to mark key points, take notes or as a page mark, allowing writing. Suitable for students, teachers, office workers, etc. .