double caprivet:1)material: brass,iron2)plating colors: nickle ,dull nickle,dark silver,gun metal,brass gilt,autique brass,nickle color,gun nicle free.etc3)size:3MM.,6MM,7MM.....15MM4)shape:circles, square,taper,etc5)process: plating,print,emboss,deboss6)application: coats, pants,bag , leather...