Key Features Protective face covering Five layer PM2.5 activated carbon filter mask Reusable and f ully Washable Adjustable to fit a variety of face shapes  One size fits all (suitable for most adults) Adult /Unisex  Effective protection against airborne germs, allergens, dust and pollution. Please remember that no facemask can guarantee 100% protection against Corona Virus Go outside adding a bit more tartan to your outfit knowing you have that extra level of protection! Do it the Scottish way!