Material: The hollow ring ring is made of high-quality titanium steel, lead-free and nickel-free, and can be worn with confidenceYou can give it as a beautiful gift to your friends and family, also suitable for various special occasions, such as birthdays, graduations, anniversaries, weddings, parties, Valentine's Day, Mother's Day, Easter, Thanksgiving and Christmas etc.Warm reminder: In order to maintain the luster and service life of your jewelry, please do not wear this product while exercising or bathing, and avoid contact with corrosive liquids or other harsh chemicals. When removing, store it in a cool, dry place