... zipper ,nylon zipper,brass zipper and so on 02)size:#3,#5,#6,#7,#10, We are a special manufacture ... Material :metal,nylon,plastic,pvc,diamond,2) Size :3#, 4#, 5# , 8#, 10#,3) Colour: as your requests4) High quality and reasonable ... ,more details need to further negotiation; 2.SAMPLES FREE; 3.Delivery time:5~15 days after confirmed PO or depend ... boots could be fastened with one hand. Components zip lock