Description This is a ruler, made of high-grade material, durable and can be used for a long time.Multifunctional use can draw straight lines, wavy lines, circles, very practical. The scale is clear and accurate and not easy to wear and it can be a good helper. Features -Color: Red, yellow, blue, green -Material:Plastic -Size:30.00X4.00X0.50cm/11.79X1.57X0.20inch -Not easy to break, support repeatedly use of a long time, long serving life. -Also suitable for students to practice and review before and during examinations. It is suitable for families, classrooms, offices and libraries. -It is small in size, light in weight, does not take up a lot of space, and is easy to carry. -Multifunctional use can draw straight lines, wavy lines, circles, very practical. -The scale is clear and accurate and not easy to wear and it can be a good helper.Package list: 4 x Rulers