Size - Measuring range: 12 cm; System: Metric; Minimum scale: 1 mm; Thickness: 0.8 mm; Finish: Laser engraved Material - The office ruler is made of aluminum alloy, which is rust-proof, corrosion-resistant, and not easily broken. It is durable, sturdy, and has a shatter-resistant design for long-term use. Features - The ruler for children has smooth edges and rounded corners, so you don't have to worry about hurting your hands. Clear markings are provided on both sides of the ruler for easy use. It also comes with a hollow handle design that can be used as a bookmark. Application - The small ruler is perfect for children and is a convenient measuring tool for learning. It can be used in math classrooms, teacher instruction, classes, offices, homes, etc. Note - To prevent scratches on the ruler, do not store the ruler with metal or sharp objects. This is a gift. I have many other items for sale too ☺︎ ▶▷▶ #rin’s shop ▶▷▶#rin’s bulk purchase ----------------------------- ✔ Instant purchase without comment is welcome✩*⋆ ✔ Midnight/early morning silent purchase OK! ✔ Bundle discount, repeat customer discount, follow discount, feel free to comment♡‪ ̖́- ✔ All items are free shipping◎ Inspection by amateurs, so there may be errors in the description. The actual images are correct (*ᵕ ᵕ)⁾⁾ ----------------------------- uxcell Straight Ruler 12 cm Metric Aluminum Alloy Ruler Double-Sided Scale Hollow Design Bookmark Measuring Tool for Children's Learning Classroom Office French Rose Ruler Pink Musical Note Cute 800