These face masks have a 3-layer filter and are made of high-quality polypropylene. They ensure that you are no longer bothered by dust particles, file dust, pollen or bacteria during breathing and your treatment. The flexible iron wire in the face mask allows you to shape the mask to your nose for the perfect fit. Thanks to the special folds in the mask, you can even cover the mask under your chin. This face mask is hypoallergenic, latex-free, fiberglass-free and has a high filtration value.