Pro Jewelry .925 Sterling Silver Core "Encased Crystal w/ Black Base" Glass Charm Bead 5015 Quantity: 1 Bead Material: Sterling Silver Core & Glass Bead Size: Height 14.2mm x Width 7.2mm x 4.4mm Diameter Sliding Core Fits: Most Major Brand Bracelets, such as Pandora, Troll, Chamilia, Kay, Carlo Biagi, & Zable