Keyring Metal Bottle Cap Opener 1) best price,high quality,prompt delivery 2) MOQ: 500pcs 3)OEM offered Keyring Metal Bottle Cap Opener1. Material: zinc alloy, brass, iron, etc.2. Processing: die casting, printing, plating, polishing,etc3. Plating: gold, silver, copper, antique gold, antique silver, matt silver, matt nickle, antique copper, etc4. logo method: screen printing, laser engraving, ...