Charm for bracelets compatible with charms bracelets and most brands of bracelets and necklaces chains. Also a nice thought to add on key chain, personalized necklace.Bead Hole Size around 4.5mm-5mm diameter. Copper Metal, The Main Material of Charms.Gift Charm for mom, daughter, sister, best friend, yourself, wife, girlfriend, grandma, granddaughter, family, aunt, niece, women and girls.Gift charm for birthday, christmas, anniversary, mother's day, friendship, valentine's day, graduation, wedding, back to school.Small Tip for your jewelry : please take off the jewelry while taking bath, swimming or exercising. Avoid exposing it to harsh chemicals, excessive moisture, or rough handling. Regularly clean and polish the pendant and chain to maintain its appearance.