At Optimalprint we want to give our customers all the tools to make sure the products they create and order with us are perfect. Use our preview to be sure that you see your design from all the sides and that you like the version that goes to print.
In the process of creating a design, you can see how each page looks like:
When you save the changes, you can click on the thumbnail of the design in order to review it and see page by page:
When you are happy with how it looks, you can go to checkout.