15mm Heavy Strong Men's Stainless Steel Silver Cuban Link Chain Necklace Jewelry 16-40inch Sturdy Metal: stainless steel-guarantee high strength and hardness; never fade, highly resistant to rust and corrosion;need low maintenance Color:Silver SIZELength: 50cm(20inch);Width:15mm(0.59inch) Material: Top 316L Stainless Steel Hypoallergenic: 100% safe to wear as it is lead free and nickel free; never worry about turning your neck green