... ,zinc alloy injection,photo-etched,offset print,silk screen print,laser engrave.Plating :nickel,gold,brass,chrome,bronze,black nickel,silver,pearl ... nickel,anti-nickel.Material :zinc alloy,iron,brass ,copper,aluminum,soft pvc.stainless iron.Attachment:safety pin,pin ... ,opp adhesive ploybag,plastic blister,bubble bag metal book mark,brass bookmark