4mm Genuine Leather Cord Men Necklace Chain, Black, 4mm Color: Black Width: 4mm(0.16") Length: 20"(50.8cm) Material: Genuine Leather Why choose Stainless Steel Jewelry?Stainless Steel jewelry does not tarnish and oxidize, which can last longer than other jewelries. It is able to endure a lot of wear and tear. And it is amazingly hypoallergenic. Such advantages make it a more popular accessory.Why need Stainless Steel Jewelry?High quality stainless steel has high resistance to rust, corrosion and tarnishing, which requires minimal maintenance. Stainless steel is one of the most bio-compatible metals, so stainless steel jewelry is amazingly hypoallergenic because of its anti-allergic properties. As one of the strongest of all jewelry metals, it does not oxidize and will be very durable. All makes it a top fashion accessory to complement your wardrobe with the sleek, contemporary styling offered by our stainless steel jewelry.