8.5mm snap-fastener & button with 4 holes:
3)color:nickel&nickel-free,black nickel,anti-brass,any colours available
4)quality:strong tension,not get rusty,not easy to be scrapped,anti-aging and anti-rust(By quality and reasonable price)
6)OEM service is welcome
7)Widely used in leisure clothes,down jacket,jackets,kid's garment,etc.