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: Batman is a superhero first published by DC Comics in 1939. After witnessing the murder of his parents Bruce Wayne swore vengeance and trained to fight criminals like The Joker Catwoman Penguin Riddler Harley Quinn Poison Ivy and Bane. If you re a fan you’ll love this official Batman product!