Is it possible to only add Product and Quantity only in payment field?

I only want Product and Quantity, is that possible? No Price

Yes, it's possible. Please refer to my sample screenshot below.

For steps on how to add Quantity in your products, please refer to our guide here https://www.jotform.com/help/225-How-to-Add-Options-to-Payment-Forms.

Let us know if you have any questions or if you need further assistance.