You Will Get: 200 pieces writable sticky notes book labels for marking and locating. The size of each tab is 1.77 x 0.47 inch (4.5 x 1.2 cm). It's perfect for reading notes, books and organizing documents Material: These writable sticky notes are made of PET material, it is waterproof, non-toxic, odorless and durable. So you don't have to worry about accidental splashes making your writing blurry, and the smooth surface enhances writing Easy to Use: These book tabs are user-friendly and can be easily placed, marked, removed and repositioned without tearing paper or pages. These notes can be written on using most pens, markers, highlighters, and pencils Convenient to Label: The page markers labels come in a variety of unique colors, which can help you effortlessly locate and organize information by color. This allows you to conveniently label, arrange or classify documents Wide Applications: These book labels are suitable for labeling, indexing and categorizing documents, computer message boards, reading notes, books, folders, diaries, planner tabs, directories, archives and files. The different colored tabs make it easier for users to find information, thus saving time and improving learning efficiency The page markers labels come in a variety of unique colors, which can help you effortlessly locate and organize information by color. This allows you to conveniently label, arrange or classify documents