U7 Men Hip Hop Chunky Chain Stainless Steel/Black Gum/18K Gold Plated Jewelry Necklace,4 Length,12mm Wide Metal Type:Black Gun Plated,base material:stainless steel. Black Gun Plated is a method of despositing a thin layer of black gun metal onto the surface of the chain. Width: 12mm/0.5 inch,heavy chunky chain for men. Hip hop,rock,punk style,perfect men gift! 4 Sizes necklace to choose:22",26",28",30" Nickel Free,Comes with a black pouch print U7 and a black gift box. Gold Black Stainless Please keep your chains away from corrosive liquids. Please put your jewelries in a dry box.