... .MOQ:50,000pcs Round pin buton badge, button badge, pin badge1)material:zinc alloy,copper,iron,stainless steel,stainless iron,Aluminum2)size: 20mm,25mm ... print or silk-screen print on metal or paper,or with 3D shiny effect5)attachment: magnet,safety pin, shiny led light ... pack into plasic box or as your request round pin button badge