Great for children, students, teachers, and professional, these rulers cater to a wide ranges of users who require safe measuring tools for educational and professional purposes This set of 4 colorful transparent rulers, each measuring 15cm, features both metric and inch scales, making it a essential tool for measurements in various tasks Made from, these rulers are resistant to breaking or deforming, and feature smooth sides with clear, easy to read scales that allow for accurate measurement and marking Perfect for use in school,, and home, these straight measuring rulers are indispensables for drawing, drafting, and everyday measuring needs, fitting easily into school bag or pencil cases With their colorful color, these rulers not only add a splashes of color to your stationery collection but also ensures long lasting, making a practical selection for measuring