How do I pre populate a checkout form with a product?

Design help Ecommerce
1

Hello!
I have a checkout form on a checkout page that I want to have 1 product already pre-loaded when the customers get to the page. Just want them to fill out their billing info and then hit “place order.”

How do I get the products to automatically appear in the checkout form?

https://www.fransenclass.com/checkout

thanks!

Here is my site Read-Only: LINK
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