silver aluminium zipper size: 3#, 5#, 8#, 10# product material :nylon, aluminium lock way: auto-lock(a/l), non-lock(n/l) delivery: 10-25 days color :customized, any color in ccc/gcc/ykk can be customized. product application:clothes, bags, tents, toys, home textiles, shoes, bedmore...