Features:Copper plated, nickel free, lead free and hypoallergenic, it can be worn compatible with a long time without losing color.Vintage fashionable and elegant, classical and versatile.Size:Diameter:16.82mm/0.66in/; 17.94mm/0.71in/; 17.45mm/0.69in.Suitable compatible with wedding,statement, propose engagement, anniversary, proposal occasions, cocktail party graduation proposal valentine christmas birthday gift.If you have any question, please contact with us. Package Includes:1 x Ring Specifications:Color:A/B/C/D/E/F/G/H/I/J/K/L/MMaterial:CopperDiameter:16.82mm/0.66in/ 17.94mm/0.71in/ 17.45mm/0.69in note:Please allow a little error on the size due to manual measurement.The color might exist slightly difference due to different displays.