University of Oklahoma Crystal Charm Fits European Style Large Hole Bead Bracelets University of Oklahoma Charm with Slide On Connector Bead is Compatible with Pandora Style Bracelets The slide on bead connected to the charm is stainless steel with dark red and clear crystals. It 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 ~ the size of a dime Available for immediate USPS shipping from Oak Ridge, TN