1) Products with lead-free over needle 2)different sizes and color,material is reachable 1.Our product many countries, such as America ,Britian ,Janpan,Parkistan,Bangladesh2.size:any size is available3.color: various colors are available.,such as :plating and painting4.material: metal( brass,alloy are available)5.different items:snap button,metal snap button,button,jeans button,shank button,rivet ...