"Notre Dame University Charm with Connector Bead Fits Most Large Hole Bead Bracelets like Pandora, Kays, Chamilia, Biagi, Troll" The slide on bead connected to the charm is stainless steel with blue and gold crystals. It will not rust or tarnish Charm is a semi-cloisonn�' design with a hard enamel finish. Made in the USA "Charm is a base metal, lead and nickel free and ~ the size of a dime" Officially licensed and made in the USA (Notre Dame requires domestic production) Makes a great gift