The outerlayer is made from polyester and spandex. Then there is the nanofiber antimicrobrial fabric filter built in.
They have been tested (see certificate) in laboratories in Europe and have been proven to protect you up to 99.9% in laboratory conditions. Protecting you from such particulates as: smog (PM2.5, PM1.0) dust, pollen, mites, spores, and liquids.
Yes, they can be washed up to 50 times and retain their effectiveness. Laboratory tested and proven.
This first batch is being made in Mexico ready to ship to our warehouse facility in California
Smog (PM2.5, PM1.0) bacteria, microbes, dust, pollen, other allergens and emissions.