This is a JJewelry High Quality Product And Is A Korean Quality Stainless Steel Materials.It will last long with proper use and cleaning to observe. #Note:That it will not Tarnish and is Hypoallergenic safe for sensitive skin but not those with allergies.Avoid contact chemicals or acids.If you are acidic,it is advised to use it occasionally only.But if not,you can wear it daily.Use toothpaste with flouride and wash it properly to maintain it's shine.You can also use diswashing liquid to clean it as well.Dry it using cottony fabric. Advise to clean it twice a week. Thank You... Always Read Before Purchase!