nylon zipper with head to head sliders 1) precision and gently 2)Suitable for ... 10# from a variety of materials ,specifications ,zipper , pull the head ,many styles ,such as diamond ,water , fire , reflective ,luminous ... availableSize 3# to 10#LengthcustomizedWidthAs you needSpecifications and WeightUnfixedFeaturesEco-friendly ,lead-free ,nickel-freeAdvantagestape soft, teeth smoothly ,high quality , ...