Ring is made of alloy filled with S925 Sterling Silver ,known amongst jewelry wearers for its strength, brightness,and shine. Sterling silver in our wedding bands is tarnish-resistant, ensuring there is no tarnish residue on the skin. Rhodium plating provides a long-lasting luster and makes! Completely hypoallergenic, allergy-free, nickel-free, lead-free, and cadmium free to prevent irritation.