Rhodium-plated Sterling Silver Yellow Bird Mail Carrier Heart European Style Dangle Bead Charm Slide-on (not threaded) bead charm Rhodium Plated on 925 Solid Sterling Silver and enamel Approximately 4.5mm Hole Size Fully compatible with European-style charm bracelets such as Pandora, Troll, Biagi, Persona, Ohm, Kay's Charmed Memories and More.