material,page markers tabs are made from paper material, they are self adhesive, no odor, non,toxic. it is easy to use. Writable and removable,page flags are self adhesive and writable,you can write anything you want on the tabs,it is also easy for you to remove them,they will left after the removal which can make you paper or notebook clean and tidy. Wide applications,perfect for reading notes,books,magazines,folders,organizers,diaries,catalogs,archives,files and papers marking and highlighting.and are very suitable for students, teachers, and office workers. Cute christmas sticky notes with cartoon ,fashion cute. Wonderful gift ,the page markers sticky index tabs can be gift for friend ,family ,children ect.