3Pcs Straight Ruler 18Cm Metric Aluminum Alloy Ruler Wave Edge Hollow Design With Small Hole Measuring Tool For Children Study Classroom Office, Sky Blue

Office ruler is made of aluminum alloy, which is anti-rust and anti-corrosion and is not easy to break. It is durable and sturdy, has a shatterproof design for long lasting use. The children's ruler has smooth edges, and the four corners are rounded, so don't have to worry about hurting your hands. The ruler has clear marks on one side and wavy on the other for drawing curves. With hollow pattern design, can be used as a bookmark. In addition, it comes with a small hole that can be used to hang for easy storage without taking up space. The small ruler is perfect for children and is a useful measuring tool in learning, it can be used in math classrooms, teacher teaching, class, office, home, etc. Please do not store the ruler with metal or sharp objects, so as to avoid scratches on the ruler, which may cause inaccurate scales.