Official Harry Potter Hogwart's Castle Slider Charm Add to your slider charm collection with this charm of Hogwarts castle the place were ancient magic was practised and many secrets kept. This silver-plated charm has enamelled detailing and is compatible with our slider charm bracelets. This charm comes on official Harry Potter branded packaging which shows the Warner Bros logo on the reverse The Carat Shop are the official licensed manufacturers of Harry Potter Jewellery on behalf of Warner Bros.