cap type grippe button 1)material:Brass 2)Different Size:7.5mm, 9.5mm, 11mm,15mm, 21mm ... 3)Color: clear,black,white, as custome cap type grippe ... button(new style of snap button, alloy snap button) 1.material: alloy or brass 2.size: any ... any inquiry and new design.6.MOQ 5000 sets cap type grippe button