Yes, with use Boxoft PDF to Flipbook, you can design page thickness.
Here are steps in detail:
Step1: Launch Boxoft PDF to Flipbook in your computer, and then import PDF file for conversion;
Step2: Choose Neat template from template resource;
Step3: Find the “Pages Thickness” setting on Design Setting Panel (Design Setting -> Flash Display Settings -> Pages thickness);
Step4: Choice one of thickness from list, and then click “apply change” button to refresh settings.