These Regal Disposable face masks are a single use 3-ply devide made from non-woven melt brown cloth fabric | The face mask is to be placed over the nose and mouth, used by general or medical personnel to help prevent the transmission of airborne organisms | Face mask blocks droplets, provides 3 layers of protection and are made of melt brown cloth fabrication | TGA Approved Medical device class level 1 | Bacterial Filtration Efficiency (BFE) greater than 95% | Australian Mask Standard AS4381:2015 Level 1 | The manufacturer has obtained FDA and CE certification for this product | Ear loops for a comfortable, secure, and reliable fit | Low resistance to breathing | Adaptable nose bar | Single use.