★Material: Stainless Steel, it is lead free and nickel free,hypoallergenic, it doesn’t rust, change color or tarnish. ★Specification:Diameter: 2.4 inches (60mm); Width:0.31 inches(8mm); Opening: 1.4 inches(45mm). TIPS:manual measuring permissible error ★A wonderful gifts for you loved one,and are perfect for any occasion! ★High-quality Ion Plating: using excellent electroplate technique that guarantees life-time color retention. ★They will come beautifully packaged, and ready for gift giving. .....