Description:Material: AlloyTreatment process: electroplatingRing inner diameter: about 57 mmMaintenance:1. If you do not wear it for a long time, please put the jewelry in a closed storage bag or box to prevent oxidation. Do not store multiple pieces in the same bag.2. Keep away from chemicals. Do not wear silver jewelry when using chemical cleaners, bathing in hot springs, or playing in sea water.3. The best maintenance method is wear. Regular wear can prevent oxidation. The oil in the skin "cleans" the silverware and keeps it shiny.Package Included:3 * RingsNotes:Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.