925 Solid Sterling Silver Happy Mother's Day Charm Bead Quantity: 1 Bead Solid 925 Sterling Silver Slide-on (not threaded) Approximately 4.5mm Hole Size Size: 11mmx11.5mm Compatible with all European style Add a Bead brands and spacers with a core size of 3.5mm and up. such as Pandora Troll Chamilia Kay's