1.Products:metal,nylon,plastic... 2.spec:3#,5#,8#... 3.packing:1000polis/yards,2000pcs/ctn,2500pcs/ctn... Products:metal,nylon,plastic... C/E,O/E,A/L,P/L...Spec:3#,5#,8#...Packing:1000ROLIS/YARDS,1600MTS/CTN,2000PCS/CTN,2500PCS/CTN... NO.5 nylon zipper