These super long coil zippers are made by YKK.  They are new stock.  They measure 69" inches long. They separate at the bottom.  Plastic coil size #5, which is the standard size, is set into polyester tape.  They feature a black metal slider and 1 black metal pull at the top.   Flexible yet durable, these YKK zippers are known the world over for their quality!!  They would lend themselves well to a tenting or cover application, sleep curtain or as a sleeping bag zipper. Ships from Southern Oregon