Uxcell 10pcs Straight Plastic Ruler 15cm and 18cm Metric Plastic Clear Measuring Tool Hollow Design with Wavy Line

Descriptions:
1. The plastic rulers are made of safer, flexible, and shatter-resistant plastic for using a long time.
2. Each ruler has a hollow design with straight and wavy edges, to maximize your multiple user needs. They can be placed in your pencil case, or on the office desk to save space.
3. Transparent color allows for a clear view of numbers and letters on the page. With the clear math ruler, you can measure an object easily.
4. The ruler is suitable for a variety of applications in classrooms, offices, and homes, for artists, designers, architects, engineers and so on.