Harry Potter Deathly Hallows Clip on Charm with Crystal Elements  Deathly Hallows Charm with Sterling Silver Clip This charm has been created using the official style guide from Warner Bros. It is approx 15 mm in height and 15 mm wide. This charm comes in the official Harry Potter branded box and shows the Warner Bros logo on the reverse. This charm is compatible with our Sterling Silver Harry Potter Charm Bracelet. The Carat Shop are the official licensed manufacturers of Harry Potter Jewellery on behalf of Warner Bros.