University of Michigan Charm | UM Wolverines Football Helmet Bead Charm | Officially Licensed University of Michigan Jewelry | Michigan Bead | Michigan Charms | UMICH Charm | Stainless Steel Officially licensed UM charm by University of Michigan. This University of Michigan charm fits most charm bracelets, including pandora. All University of Michigan jewelry is made with high-quality stainless steel, University of Michigan jewelry ships within 24-48 business hours, product lifetime guarantee. This UM Wolverine helmet charm makes the perfect University of Michigan gift for Wolverines fans, students and alumni.