The spine width is nothing but the number of pages and the thickness of the page. The wider the spine width the more are the pages available for printing. In this article you will get to know how to delete the spine width for the photobook.
Login to Backend
Navigate to Product Designer -> Manage Spine Width
By doing so, you will land on the Manage Spine Width page. Now, you have to select the preferred entry among those that are present in the link.
Then, click on the Action drop down button and click on the Delete button to delete the selected entries.