We currently cannot verify whether this fabric is approved by a WHO certified lab and whether it is 99.94 percent effective against the coronavirus.
Currently, we do not have any evidence which suggests that this fabric has been approved by a WHO certified lab and whether it is 99.94 percent effective against the novel coronavirus. We have reached out to several people related to this claim for comment and will issue an update when we can.
The COVID-19 pandemic has given rise to a lot of potentially dangerous misinformation. For reliable advice on COVID-19 including symptoms, prevention and available treatment, please refer to the World Health Organisation or your national healthcare authority.