Check the listing for details. 15cm Metric Acrylic Clear Straight Rulers Blue-Orange. Condition: New. Listed at 13.25 USD. 1. This colorful ruler is made of acrylic material, which is sturdy and wear-resistant, drop-proof and shatter-proof, not easy to break and deform, and durable.2. The acrylic ruler has clear and accurate scales, and the transparent color makes the numbers and letters on the page clearly visible, easy to measure.3. The stylish cube design highlights the three-dimensional sense of space, and the gradient color design is layered, easy to hold and draw lines, and is both beautiful and practical.4. The cube ruler is a practical measuring tool that is very suitable for math education, classroom teaching, offices, shops, homes and other occasions. It is suitable for teachers, artists, designers, etc. It can also be used as bookends, decorations or desktop decorations.5.