IDEAL SEAL Color Coding Labels are ideal for document and inventory control, routing, organizing, highlighting, price marking, scheduling and more. You can use them for organizing boxes when moving, labeling file folders, cd's, dvd's books and more. They may be applied to a wide array of materials ranging from paper to plastic. Eye-catching bright colors make it easy to find similar items or keep track of important appointments. You may write on them with markers, pens, pencils and more! Made with permanent adhesive that keeps them where you put them!