These Reading Strips are made of good PET material. These Reading Strips can help some people with dyslexia focus and concentration, very practical. Strengthens block distractions, visual tracking skills, help teens to keep focus while reading. A variety of colors and quantities to meet the needs of daily use. Features -Color:Assorted Color -Material:PET -Size:13.00X6.00X1.00cm/5.11X2.36X0.39in - Facilitate the use of it in the process of reading, and develop interest in reading, give you more convenience. - You can remove Reading Strips without tearing the paper, and it is reusable and not easily . - It can be used as a mark in notebooks, books, magazines, and folders, and has a wide application. - Although this reading strip is simple in design, it is very practical when used. Material safety, safe to use. - With the bright design, it can arouse your interest in reading. Useful for reading and taking notes. Package list: x Sets of Page Marking Strips