925 Sterling Silver Red Valentines Heart 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 7mm (thickness) Hole Size: ~4.4mm