1)PackagePackages should be ventilated and damp-proof. Light-colour zippers will
Nylon Coil Zippers The most common type of zippers. They used to be ma
Zippers can be divided into three major parts: the 
Please note any zipper should be fully zipped up before the measurement, regardl
1). On one end of the zipper tape, part the zipper teeth about 2". &nb