Prong type snap button 1.Material:brass 2.Color:nickel free lead free, anti-brass, anti-copper, gun metal 3.Quality:B grade Prong type snap buttonMaterial: brass Color 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 more Pearl sizes: 7.8, 9, 10, 10.5, 11, 11.7, 12, 12.5, 13 ...