MATERIAL-- Alloy. Environmentally friendly material,craft. Antique Silver Plated Rings, No rust, nickel, and cadmium, no harm to your health. Corrosion resistant, not easy to change color.ADJUSTABLE SIZE-- Open Ring, Adjustable Size, You Can Fine- Tune The Size As Needed and Wear It On Any Finger As You. The Ring Is Open and Adjustable. Can Wear Alone or Stack or Pair With Engagement Ring in a Variety of Ways.AdjustableCouple Matching Rings-- Minimalism Matching Sun Moon Rings for Couples, 2pcs silver color set. When you each wear a ring on your hand, the thing you can think of is each other. Thinking of the sweetness that the other party gave you, thinking of the sun, moon, mountains and rivers that the other party gave you.PERFECT GIFT-- These are the perfect rings gift to symbolize your love on the special days, such as wedding, engagement, anniversary, valentines day, families, thanksgiving day and Christmas Day, etc. Meeting your every gift need.