The real purpose of the mask is to catch moisture particles and entrap them. The mask will not stop virus penetration. It is only designed to interrupt the transport system for the virus (moisture particles or droplets). Wearing the mask does not guarantee you will not get sick. Using highly breathable outer fabric which is washable: CC484 Quality; P48 Type; SABS 1401 Part 3. It has become important in factories to create first line low-level protection to workers which is economical, easy to use and cost-effective. Workers should wear a mask if they are coughing or sneezing. Masks are effective only when used in combination with frequent hand-cleaning with sanitizer or soap and water. Before putting on a mask, clean hands with alcohol-based hand sanitizer or soap and water. Cover mouth and nose with mask and make sure there are no obvious gaps between your face and the mask. Avoid touching the mask when using it. If you do, clean your hands with alcohol-based sanitiser or soap and water. To clean and disinfect the mask, wash in hot water and soap. Masks will last for a minimum of 50 washes. What's in the box 20 x Washable face mask