925 Sterling Silver Round Heart Pink Glass Bead for European Charm Bracelets Fits Pandora, Troll, Chamilia, Biagi and other European style 3mm snake bracelets Slide on (non-threaded) Bead Materials: 925 Sterling Silver (stamped) Single Core and Glass Size: approximately 13.5mm (diameter) x 7.5mm (thickness) Hole Size: approximately 4.5mm