This is a set of guided reading bookmarks, made of PVC material, with a . Gentle colors can help to reduce visual stress, alleviate eye strain, allowing you to read easier and more comfortably than ever before. An way to make reading easier and fun, practical tools for students, teachers, reading lovers, etc. Features - ColorAssorted Color - Material: PVC. - Size: About 19.00X7.00X0.01cm/7.47X2.75X0.004inch. - Made of PVC material, no odor, no harm, safe and for use. - Not easy to break or deform, support repeatedly use of a long, long serving life. - It's an effective way to visual tracking skills, block distractions, and help focus. - The colored tint in the rulers helps to read every word, provide focus and clarity on each line. - Place over your books and your computer screen, helps kids with dyslexia reduce reading frustration. Package list: 16 x Guided Reading Bookmark