Pro Jewelry .925 Sterling Silver "Happy Birthday" Charm Bead for Snake Chain Charm Bracelets 3220 Quantity: 1 Bead Material: S925 Solid Sterling Silver Core 4.5mm (not threaded) Fits: All major Brand Bracelets, such as Pandora, Troll, Chamilia, Kay, Carlo Biagi, Zable, and other add-a-bead bracelets.