1> Material: brass, zinc alloy, stainless steel, iron, aluminum, pewter alloy. 2> Plating: gold, anti-gold, silver, anti-silver, brass, anti-brass, nickel, anti-nikcel, copper, anti-cooper, etc. 3> Processing: injection, photo etching, stamped brass. 4> Logo: offset printed, coloring, laser engrave, silk printed. 5> Various thickness are available. 6> Epoxy coating (optional). 7> Various attachments are available. The pictures are just for your reference, any of your inquiry is highly appreciated.