Necklace size: 40+5cm, chain length is adjustable, necklace material is titanium steel, lead-free and nickel-free, hypoallergenic, 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 your necklace, store it in a cool, dry place