have been problems with counterfeit masking, these kn95 masks which are produced in china. some are legitimate, some are not. some have been certified by our federal authorities back in 20 and 21, that list is no longer relevant. but pprojectn95 still has the list of kn95 masks that have gone through some vetting. once that box finishes up, katy, i recommend to go to that website to get that new supply. you spoke to somebody on how to identify which masks are legitimate and which ones are not. every n95 respirator is going to have a head strap. if you re buying an n95 and it says it has ear loops, it s not an n95. if you buy an n95 for kids, you are 100% guaranteed that is not