The ruler for geometry is made of material, and allows for a view of numbers on the page; With the plastic mathematics ruler, you can measure an object easily. A perfect your friends, easy to take to class and to store in the classroom and at home. Just choose it as a season gift or a Christmas gift. Features -Color:Transparent -Material: -Size:20.00X3.00X0.10cm/7.86X1.18X0.04in -Size:15.00X3.00X0.10cm/5.89X1.18X0.04in -A good Scale Ruler for teachers and students, which is a good helper when measuring something. -You will have good use experience because of the perfect workmanship of this product. -Compact size and light weight, portable for students to carry it for daily use. -With clear scale number, ensure the accuracy, excellent and useful drawing tool for you. -It helps you to improve working efficiency and save time with drawing and measurement projects. Package list: 10 x Rulers