Rulers material: made of plastic, which is sturdy and not easy to break, and can provide you for a long time Specifications: these rulers have assorted sizes, the whole length of them ranges from 7.87 inches to 9.84 inches and width ranges from 3.93 inches to 5.7 inches Circle and Oval Templates: with different sizes of circles and ellipses, you can draw circular cylindrical cones with ease, and it is simple and practical Wide ranges of usage: good tools for office, home, school, building formwork, drawing templates and other, suitable for students and officers Quantity: 3 pieces plastic rulers in different sizes, can satisfy your different needs easily Colour: green Material: plastic Package Contents: 2 x circular templates 1 x oval template Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.