Deli multi color yocoo flexible ruler 30″ cm. Easy to use & reliable, very elastic, unbreakable rulers, breaking not play in the satchel of a weight of books or stress after. Available in sizes: 30 cm. Environmental protection, ideal for school & technical drawing. Use your quality stationery at work or in school. Available in the colors (mix) green, blue and pink. Size: 30cm. Used for decimal and fractional measurement number. Color: multi colors. 24 piece ruler in box.