Design a 6x9 direct mail postcard!

I want a 6x9 direct mail postcard designed in a vertical orientation. I have template files from VistaPrint in both .pdf and .ai and I have all the text and graphic and general layout I want on front and back of card. However, I want the thing to be stylistically like this:

https://www.amazon.com/H%D0%B5m%D1%80-Gummies-Potency-Vitamins-Flavored/dp/B09R9ZN6GX/ref=sr_1_10?crid=3OCMNOWKCAHUX&keywords=hemp+gummies&qid=1670578601&sprefix=hemp+gummies%2Caps%2C94&sr=8-10

Thanks!