3pcs Plastic Ruler Set, Transparent Ruler Shatterproof Ruler Student School Office Teaching Ruler-3pcs Plastic Ruler Set, Transparent Ruler Shatterproof Ruler Student School Office Teaching Ruler-Material: The measuring ruler tool is made of high quality plastic, strong, durable, sturdy, reusable, not easy to deform or damage Size: The size of the anti-shatter ruler is 15*3cm/6*1.2inch, 20*3cm/8*1.2inch, 30*3cm/12*1.2inch, three sizes can meet your daily needs Design: The plastic ruler is designed with centimeter scale and inch scale, the black scale allows you to easily see the scale Features: The transparent ruler is easy to use, easy to read, not easily deformed or damaged, and the plastic ruler can avoid scratching fingers Application: ruler is suitable for school, home, library, study, etc., suitable for artists, designers, architects, engineers, students