If you have the need to set the restrictions on the elements, of your pre-designed template, for a specific side, in this guide you can see how to do it.
How to do
Go in your Zakeke Backoffice, via Tools > Pre-designed template you can add or edit it:
Once opened the pre-designed template you can go on the button, add the flag on All variants and select the "Each side" option in the "Apply settings to:" function:
Now, scrolling the section on right, is possible to manage the settings for each side, you will see in order all sides (front, back..)as you see below: