Official Harry Potter Spell Bead Charm Set Silver plated charm beads engraved with unique spells from the Harry Potter books and films Pack consists of 1 x Expelliarmus 1 x Stupefy 1 x Alohomora 1 x Obliviate They are all approx 10 mm. These charm beads come on the official Harry Potter branded card packaging and shows the Warner Bros logo on the reverse. These charms are compatible with our other Harry Potter slider charms, and bracelets. The Carat Shop are the official licensed manufacturers of Harry Potter Jewellery on behalf of Warner Bros.