Hi I have quite a few of these zippers in stock, they are new overstock -bulk sale possible, please contact if you need 100's . The zippers are Quality heavy duty, 24" long with extra material on each end and 1 and 1/2 '' Wide. 1 end is closed with one pull up or one down to open garment. They are what you would see on cover-all's etc. & Thanks for your support.