The PermaSafe SHIELD is a safe, non-toxic, long term antimicrobial surface protectant and mould, mildew, fungi and odour inhibitor. It kills and goes on killing 99.99% of bacteria and viruses on surfaces and has a 99.99% efficacy against Covid-19. It creates an invisible shield that protects any surface from the growth of microbes, including bacteria and viruses for up to 90 days without the use of any harmful chemicals or the need for reapplication. It is safe to use on food contact surfaces, electronics (keyboards, EFTPOS terminals, mobile phones, touch screens), medical surfaces, in vehicles, and on all high touch points (desks, door handles, bathroom surfaces, and more). It also removes allergens, dust mites and dander, eliminates surface and airborne odours, helps seal out and repel liquids, dirt and other spills. It is resistant to staining and helps to extend the life of furniture, carpets and other materials.