Become a Self-Reader Assistant: Reading strips allow children to highlight the sentence they are reading, so they can follow the text line by line and avoid line confusion. Ideal for beginners/dyslexic students or readers to promote concentration 8 Bright Colors: Tracking rulers in different colors (red, green, blue, yellow, orange, transparent, transparent gray and pink red) can arouse students' interest in reading Proper Size and Durable Quality: highlight strip (19 * 3.2 cm/ 7.48 * 1.26 inch) is equipped with a 8 mm/ 0.3 inch height window , which displays only one line of text at a time. Soft plastic quality ensures long life Various Applications: Reading rulers can be used as bookmarks, they are also good choice for teacher/parent who encourages students/ children to focus on reading in the family, classroom, office and library Warning: some children are too hampered by their motor difficulties to be able to slide these rules down the page and achieve match the transparent window to the line. In these cases, it is better to highlight the lines in different colors