What is THIS then?

https://www.scalehobbyist.com/catagories/Paint_and_Construction/liquid-surface-primer-white/TAM00087096/product.php

EDIT::I just cancelled the order for primer and God was hiding and watching me and likes that I cancelled the order.

EDIT:: Looks like Walmart Primer is the best? Can I get white primer in 2X Rust oleum?