dog id tags 1)Nickel lead free 2)Pass ... 3)18 years experience 4)10 years after-sale service Engraved metal dog id tags : MaterialZinc alloy, brass, copper, iron, pewter, ... stainless steel, etc.TechniqueDie-casting, engraved, painted, silk screen, offset printing, etc.PlatingGold, silver, nickel, ... /FEDEX/FOB, etc.Manufacture partner of CoCa CoLa Engraved metal dog id tags