Product Features:
Top 316l titanium steel material surface is by polishing and high anti oxidation treatment, other color (not grey) vacuum plating, can keep the lustre of the product.
High quality 316l medical stainless steel does not fade, not rust and not allergic.
But please avoid using sharp objects scratch the surface, the general advice is when taking a bath and sleeping, please don't wear. So, pay attention to the maintenance!