Suitable for bracelet and necklace: it can pass through most American and European bracelets.Great gifts for women: The heart charms are packed in a beautiful jewelry box. Sterling silver charms are popular among women of all ages. You can give the charm as a gift for yourself or your mother, wife, daughter, girlfriend and best friends on Valentine's Day, Mother's Day, Thanksgiving Day, Christmas Day, birthday and anniversary.SIZE: listing only for one silver birthstone, chain not included. The hole size is approximately 4.5mm to 5mm. Meaning of Gifts: Birthstone represents the stone of people born in twelve months.Different gemstones have different beautiful meanings.No matter what kind of birthstonethey will bring happiness and good luck to people.