Good mock-ups and actually thousands of packaging designs to pick from. The 3d mock-up is so great, allows deliver clarity to your client and also the designers. Excellent product for packaging design professionals. Get the book revealed and distributed with Newman Springs Publishing, the 1-cease Resolution for really serious authors. https://maplepublishers.com/blog/how-to-become-a-prolific-writer-even-by-self-publishing-uk-or-elsewhere/