The N95 masks are made out of plastic, not pulp. I looked into the pulp claim, and it's true that pulp is used to make some types of lesser surgical masks. But

The N95 masks are made out of plastic, not pulp. I looked into the pulp claim, and it's true that pulp is used to make some types of lesser surgical masks. But there's no reason to think there is anything all that special about that pulp - it could be sourced from the US too at somewhat higher cost.