These guys again: https://en.wikipedia.org/wiki/Melamine_foam

I don't buy them. Lots of tiny hard fibers? Sounds too much like asbestos and fiberglass

And another reminder not to use brass wire brushes on cooking surfaces. Smarter Scrubber ($75) alternative made from chainmail.[1]

1. https://www.jjgeorgestore.com/the-smarter-scrubber/

What about steel wool?