... metal ring snap button 1.good quality&Service 2.small order accepted 3.OEM welcomed 4.material:zinc alloy 15mm metal ... free, anti-brass, anti-copper, gun metal, light pewter, dull-nickel, nickel ... size: 8.5-35mmSpring snap button standard size: 10-15mmPress snap ... button standard size: 9.5,11,13,15 and 17mmApplications: children garment, men's&women's shirt, coat, and jacket 25mm metal press ...