Detailed Product Description Material: zinc alloy.Plating: nickel-plated. (Lead free plated)Size: Various sizes to choose process: pressure Chong, die casting, car copper, LOGO film technology: pressure Chong, eclipse version, into the color, soft enamel, screen printing, stickers, laser .surface treatment: gold, pearl-plated gold, plated ancient gold-plated sub-gold, silver, pearl plated silver, ...