... any logo 4 Mertairals:brass,iron,plastic(pom) Metal snap button,plastic snap button are available.The company is a professional manufacturer of ... all kinds of Penta-claw button (press button), and there are ... plating, laser and other technology. Specifications: 7.5mm, 9.5mm, 11mm, 13mm, 15mm, 17mm, 20mm, 21mm, etc.Color: any color ...