... upon request different materials and processes.Process: stamped,zinc alloy injection,photo-etched,offset print,silk screen print,laser ... anti-nickel.Material :zinc alloy,iron,brass ,copper,aluminum,soft pvc.stainless iron.Attachment:safety pin,pin with clutch,ball chain ... ,magnet,ribbon,dog snap.Packing:polybag,card,box,opp adhesive ploybag,plastic blister,bubble bag zinc alloy ...