APM ring

APM ring (Master Quality original product) accessories? (The items that come with it): if you order it without accessories, it comes: a black box without the brand logo, if you order it with gift accessories: accessories: brand box with velvet lining, brand accessories, velvet cloth with the brand logo. How do I care for it? Do not expose it to perfumes and chemicals Do not expose it to water when washing and performing ablution Do not expose it to humidity and keep it inside the box. Metal: stainless steel (stainless resistant steel) What is stainless steel? Stainless steel (resistant to rust) what is stainless steel?