This officially licensed hourglass slider charm is famed for its time-twisting magic as worn by Hermione Granger in Harry Potter and the Prisoner of Azkaban. It's approx 30 mm wide and crafted from 925 sterling silver, plated in 14ct gold, and accented with sparkling crystals. This spinning charm comes in an official Harry Potter box just the thing to add a sprinkle of magic to your collection For ages 14 and up. 925 Sterling Silver and glass crystal