Purdue University Boilermaker Charm Fits European Style Large Hole Bead Bracelets Purdue University Charm Fits European StyleLarge Hole Bead Bracelets The slide on bead connected to the charm is stainless steel with black and gold crystals. The bead will not rust or tarnish Charm is a semi-cloisonn' design with a hard enamel finish Charm is a base metal, lead and nickel free ~ 1/2" x 5/8" Available for immediate USPS shipping from Oak Ridge, TN