... rivets :More details:1.Prodution name: jeans buttons&rivets.2.Materials: zinc alloy, brass,copper,acryl,iron,stainless steel,etc.3.Technics: plating ... 30mm, or as your request.5.Color: antique brass,antique copper,antique zinc,antique silver, black nickel,nickel free white, etc ... us:1.We specialize in many kinds of metal buttons,jeans button,snap buttons,iron button.rivet ,eyelet.belt buckles and so on ...