... ,Shirt Collar Pins 1.Two-tone plated 2.3D design, zinc die cast 3. No colors filled 4.With 1pc b-fly pin ... . Lapel Pins,Shirt Collar PinsFeature:1) Material & process : Bronze, iron, zinc alloy, pewter, aluminium (diecasting, stamping)2) Size: 25mm,30mm,40mm etc ... low cadmium.4) Free artwork and design ,unlimited revisions5) Free die fee if qty above 5000pcs6) Price Match 100% Guaranteed7) Delivery ...