How to list product items in forms without using a billing system

I need to add products that go to a 'shopping bag' which will be emailed. I don't need/want a billing system. Is that possible? 

Yes, that would be possible, please use the Purchase Order payment field.

You may also find the guide below helpful:

https://www.jotform.com/help/49-Order-Form-Types

If, in any case, I misunderstood your concern, please feel free to contact us anytime.

Thank you.