Material: The LIGHTDOG charm is made of 925 sterling silver, which is free of harmful substances and 100% skin-friendly. Suitable for bracelet and necklace Hole size: About 4.5mm〜5mm . Compatible with 3mm European Charm Bracelet and necklace. Nickel free, lead-free, cadmium free and low allergenicity, compatible with snake chain bracelet, suitable for necklaces and bracelets Perfect Gift: As a gift, it is suitable for any occasion, whether it is New Year, Mother's Day, graduation, birthday, anniversary, etc. If you want to express your love, there is no doubt that the LIGHTDOG charm is a choice you won't regret. Occasions: Whether at home, outdoors, picnic, shopping, club, school, this exquisite LIGHTDOG pendant can exude your personal charm for any occasion. Customer Service: LIGHTDOG offers 30 days return service without any reason, if you have any questions about this beautiful pendant, you can contact us at any time.