The Unbreakable Ruler from Maped is made of a unique material that is durable enough for even the messiest classrooms, but is still light and flexible enough for even the youngest students to use. Three fun, transparent colors makes it easy to see what you are measuring. Features both Imperial and Metric graduations and a convenient hang hole for storage. Ruler is unbreakable under normal conditions and use. Sold as a pack of 20 in assorted colors: Teal, Blue and Orange (no color choice). This product ships in approximately 1 days