popular metal lapel pins 1.garment lapel pins 2.material:brass,iron,zin alloy,etc 3.7days sample time 4. ... 40-75mm diamete,else popular metal lapel pins ... . MaterialIron, Copper, Zinc alloy , Pewter , Brass , Aluminum, Soft enamel, Tin, Aluminum alloy or other Metal material , any material you can choose if you need. 2 ...