316L medical stainless steel and titanium alloy as raw materials, which are very safe for our health. we provide our product with unique design ,good quality in reasonable price. Our product with high anti- corrosion and heat , the surface is not easy to change with the environment, can be worn over a long period with smooth and sheen surface. This kind of material is used as the human body of artificial skeleton in the medical science, so very safe to our body. The sheen of the stainless steel is so similar with the platinum, elegant and modern. Also ,it is very easy to keep and clean . You do not need to take special care of it .