Easy-to-read scale! Idea stationery [Color-Changing Ruler 15cm] Solves the problem of ruler scales becoming difficult to read depending on the background color! This is a magical 15cm ruler that changes color, making the markings easier to see even on dark colors like black, as well as on white paper. Body size (approx.): 160 x 30 x 2mm Approx. H30 x W160 x D2mm Material: Polyethylene Individually packaged [Colors] Purple, Yellow, Green *You will receive one of the above colors. *If you have a color preference, please let us know. Please note that depending on stock availability, the color may be chosen at random... m(._.)m 4952583064039 Thank you for viewing. You are welcome to purchase without leaving a comment o(^_^)o