This ring is made of 925 sterling silver. sterling silver jewelry is very easy to care for, and its tough material can withstand a lot of wear and tear. This metal is moisture-proof and will not lose its luster or corrode. Moreover, it is hypoallergenic, and all stainless steel jewelry does not contain nickel, lead and chromium. It is an ideal gift for special occasions: reunion, Christmas, special occasion, birthday, Valentine's Day, or anniversary gift. In order to maintain the quality of jewelry, please: -Don't wear it to swimming pools, hot springs or beaches-take it off while sleeping, exercising or doing other strenuous exercises-avoid contact with perfume, body oil and other chemicals, including household cleaners. -Don't use chemical jewelry cleaner.-Wipe gently with a soft lint-free cloth. -Please don't use metal polishing cloth.-Store your favorite jewelry in a cool and dry place.