2 pieces plastic ruler: one ruler size is measure range of 6 inch/ 15 cm; the other ruler size ismeasure range of 12 inch/ 30 cm.^2 side measuring ruler: dual Side measuring ruler, centimeter scale is on one edge of the ruler and inch scale is on the other edge; can meet your different measuring needs.^Durable and sturdy: The plastic straight ruler is made of good quality plastic, durable and sturdy; a good measuring tool, easy and convenient to use.^Clear color rulers: translucent color allows for a clear view of numbers and letters on the page; with the clear Mathematics ruler, you can measure an object easily.^Wide application: a useful measuring tool for artists, designers, architects, Engineers, students and so on; the plastic clear ruler is suitable for classroom, school, office, home, etc.