You must purchase a Custom 2 Color Glass Gobo-Original before you can purchase any duplicates. The duplicates will be the exact same image and gobo size as the original. If you need a different size or image, then you must order additional originals. If you have purchased multiple originals, please use the "Notes" box above to indicate how many copies you want of which image. If you have any questions please call 1-800-220-6920.