Type: JewelryObject/Variety: EarringsVirtuosa International Distributors. NEWOur jewels are made of 316 steel abiding by all international quality standards. Allowing us to show that it is a hypoallergenic material that does not rust, so it is of long period, likewise does not suffer changes in color or brightness other metals produced by long term use.All our jewelry are ensured for manufacturing, but this warranty leaves out damage triggered by abuse, by the application of chemicals or stroke.Each design differs in rate.