Anyone tried the new undercoating by Fluidfilm?

I get got a sale email from them on the new undercoating available in black.. I was wondering if anyone has tried it?
I love the old fluid film but it doesn't stay on the undersides very long with heavy use so this caught my eye. I have a 1994 Toyota with the tar type undercoating and it's still under there LOL.. so I'm sorta spoiled.. I know this isn't the same but was wondering about it longevity- weeks? maybe months?
https://www.kellsportproducts.com/

Anyone tried the new undercoating by Fluidfilm?