Prong snap button 1.Material:brass 2.Color:nickel free lead free, anti-brass, anti-copper, 3.Have Intertek test reports Prong snap buttonMaterial: brassColor platings: nickel/nickel free, anti-brass, anti-copper, gun metal, light pewter, dull-nickel, nickel free dark pewter, nickel free light pewter, nickel free dull-nickel, and morePearl sizes: 7.8, 9, 10, 10.5, 11, 11.7, 12, 12.5, 13, 14, 15, ...