The diameter of the charm's hole is about: 4.5 to 5.0 mm. It is compatible with Pandora Moments snake chain bracelets, U.S. bracelets, European bracelets, and most kinds of charms bracelets but Pandora Me. This charm bead made of copper. Come to pick the great present for any occasion, such as Christmas, Birthday, Mother's Day, Anniversary, Valentine's Day, New Year, Bridal, or any special day for you or your friends and family. Great gift for friends, mother, moms, grandma, auntie, wife, and women. The great present for any occasion, such as Christmas, Birthday, Mother's Day, Anniversary, Valentine's Day, New Year, or any special day for you or your friends and family. Nice gift for birthday, Mother’s Day, Valentine's Day, Christmas, anniversary, Father’s Day, Memorial Day, New Year's Day, Easter, and your special days. Suitable for mom, mother, mum, wife, grandma, grandmother, dad, father, grandpa, uncle, auntie, aunt, best friends, family, men, and women.