Applicable occasions: Valentine's Day, promises, anniversaries, wedding engagement rings, birthday gifts, Christmas gifts. Durability: Highly resistant to scratches, rust and discoloration, and the text will not wear out, making it an excellent choice for long-wear jewelry. If you have any questions, please feel free to contact us. Material：Made with high quality copper，lead and nickel free, no harm to your body. Unique design - His queen and her king are a vow! They are your unique rings in the world! Starting today, we will support each other, whether it is rich or poor, disease or health, love, respect and cherish each other.