... zinc alloy, copper, brass, antique copper, br 2011 metal label pin badge with butterfly Description:1.Material: iron or brass or zinc alloy ... color,Silkscreen/offset printing,etc,6.Back: flat or double design7.Attach menat: Butterfly clutch or plastic clutch, safety pin,tie bar ... or tie tack,magnet etc8.Package: each piece with an individual OPP bag or ...