Material: 100% authentic 925 sterling silver. Friend Beads compatible with All major Brand Bracelets, such as Pandora, Troll, Chamilia, Kay, Carlo Biagi, Zable, and other add-a-bead bracelets and necklaces Friend charms hole size is Approximately 4.5mm, and the bead size is about 11.1*10.3mm, weight is 2.1g. Beads are fully compatible with major brand 3mm European charm bracelets and necklaces. Quantity: 1pc, listing only for 1 charm, not including the bracelet LUCKYBEADS Friend Charm 925 Sterling Silver Friendship Charm Heart Charm Compatible with Bracelet