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: Harry Potter is one of the best-selling fantasy book series of all time. From the mind of J.K. Rowling Harry Ron Hermione Dumbledore Voldemort Snape Hagrid and all the rest appear in movies games and pretty much everything else. If you re a fan you’ll love this official Harry Potter product!