sport pin badge 2011 1.material:Zinc alloy 2.color:gray 3.plating chrome 4 ... peocess :Zinc alloy, brass, ,copper (diecasting, stamping)2) Size: 30mm,40mm,45mm,50mm,55mm,60mm,70mm diameter etc ... 1) Available for souvenir, promotion,sports,award etc.2) We can print customers logo on products; ... once sample confirm; The advantage:(1) Material:Metal(2) Standard sizes are changeable(3) Round,oval,square, ...