1.material :ｉｒｏｎ　 2.color : ncikel 3.inner diameter : 20mm,25mm,32mm,38mm, 50mm, 63mm ect. 4.ring with a small curtain clip 5.MOQ : 10000pcs Packing : 300pcs/carton payment : TT Shipping method : we can help you export the goods , send by air /by sea /by express (DHL ,TNT ,UPS ect.)