Zipperstop ABOUT ZIPPERSTOP ZIPPERSTOP is world known for our top quality YKK ZIPPERS. At ZIPPERSTOP, we believe in providing our customers with the highest quality and best selection of YKK zippers for their designs, replacements and other uses. For this reason we carry the largest variety of YKK zippers and sewing supplies. In our 3 story building in New York City, you will also be able to...