/ Material/ 925 sterling silver / Use and maintenance methods / ‧Silver material has oxidizing properties. Keep it as dry as possible when not wearing it. You can put it in a sealed bag to save the air to avoid oxidation and yellowing. ‧For the oxidation of silver products, you can use the attached silver cloth to wipe the oxide. ‧Please be careful when wiping the chain. The silver texture is soft, and the thin silver chain may break easily when pulled improperly. ‧Do not wear silver jewelry for hot spring. / After-sales service/ ‧Provide maintenance and repair services, please contact us if you have any questions. ‧Sales base: | Miyan our shop| 1F, No. 22, Anshun 7th Street, Beitun District, Taichung City Business hours: 14:00-20:00 (reservation required) / Product packaging/ Paper box, silver cloth, care instruction card.