... -lock slider: 1.zipper manufacturers 2.delivery on time 3.good quality and best price nylon zipper close end with aut-lock slider ... used, they are human and environment desirable or matural resources (no Ni. or Azo , approved by certification )conforming to requirement ... Feature:1)Can provide nylon ,plastic ,resin , invisible, metal coated, metal ,rhinestone zipper . 2)Size:3#,5#,8#,or as customer’s ...