... 1) Material: zinc alloy 2) Plating: nickle free, imitation gold,antique brass with satin Original: Zhejiang Yongjia bluesky Dress Button ... in round shape2. Material: brass normally, and zinc, iron, gold, silver etc can be made3. Art: enamel, inlaid diamond or stones ... , punched logo directly4. Plating: nickel, nickel free, chrome, silver, gold5. Weight: 10-30g depends on the style, 15g normally6 ...