Official Sterling Silver Harry Potter Necklace Sorting Hat Charm on a 16 inch chain with 2 inch extender This necklace has been created using the official style guide from Warner Bros. 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 other Harry Potter clip-on charms, necklaces and bracelets. The Carat Shop are the official licensed manufacturers of Harry Potter Jewellery on behalf of Warner Bros. HARRY POTTER characters, names and related indicia are © & TM Warner Bros. Entertainment Inc. Harry Potter Publishing Rights ©JKR.WB SHIELD: TM & ©WBEI. (s16).