Material: His & Hers Matching Engagement Wedding Rings band is made of 925 sterling silver. Nickel free, lead free, cadmium free and hypoallergenic, 100% safe for sensitive skin.Minimalist Expandable Band Size: About 9 and 6, Can be adjusted slightly. Lightweight and comfortable to wear.AdjustableWhen love could not express in words, this couple ring set with I Love You can express your love deeply. No matter it is a famous brand or not, it is your unique ring in the world!These are the perfect rings gift to symbolize your love on the special days, such as wedding, engagement, anniversary, valentine's day, families, thanksgiving day and Christmas Day, etc.