Pro Jewelry .925 Sterling Silver "White Opal on White" Crystal Charm Bead for Snake Chain Charm Bracelets Quantity: 1 Bead Material: S925 Solid Silver Single slide on Core (not threaded) with Crystal Fits: All major Brand Bracelets, such as Pandora, Troll, Chamilia, Carlo Biagi, Zable, and other add-a-bead bracelets.