University of Michigan Block M Bead This UM Bead Charm and Crystal Charms will fit Pandora bracelets and necklaces, Chamilia, Biagi, Troll This University of Michigan Block M bead charm is a perfect piece of college jewelry for any bracelet or necklace This hand colored bead has a solid silver core and is 100% made in the USA This unique U of M helmet charm bead can be arranged to make an exciting necklace, bracelet or anklet Officially licensed through University of Michigan