"Non-clinical mask, treated with Polygiene ViralOff® anti-bacterial, anti-viral technology. Conforms to ISO 18184: 2019. Kills 99% of viruses on the mask fabric within 2 hours. Reusable, single-ply mask. Anti-viral and anti-bacterial treatment reduces the need for washing. Avoid washing to uphold anti-viral effect, but if required wash by hand in cold water. Reduces airborne particles from coughing or sneezing. Fits the contours of the face, covering nose, mouth and chin with no ties. Supplied on presentation card. Important - 1 unit = 1 pack of 5 masks. 100 units = 1 carton of 500 masks (100 packs of 5 masks). For use in non-clinical settings. Non-returnable."