About The Product: Measure in style with this unique ruler from Graphics and More! Measuring up to both 12 inches and 30 centimeters this product is the perfect office and school tool. With a wide-variety of designs to choose from the possibilities are endless. Made of plastic. About The Design: Superman was created by Jerry Siegel and Joe Shuster. The timeless story of an alien baby sent to Earth from the dying planet Krypton Superman has appeared in countless DC comics cartoon movies and much more fighting for Truth and Justice. If you re a fan you’ll love this official Superman product!