Utoolmart 30cm Plastic Clear Straight Strong Hard Ruler Math Flexible Rulers Measuring Tool for Student School Office 1pcs

the plastic straight ruler is made of good quality plastic, durable and sturdy; A good measuring tool, easy and convenient to use. Unlike the metal ruler, these plastic ruler are thick enough; With 2 smooth sides, it's very safe for adult and children to avert scratching the finger translucent color allows for a clear view of numbers and letters on the page; With the clear mathematics ruler, you can measure an object easily. You can measure the object easily with the clear mathematic ruler; You can see the numbers and letters on page through the transparent ruler.