Black double face mask of 100% cotton
Cotton face mask of two layers of cotton has a pocket in the middle where you can insert a filter of nanofiber or non-woven fabric. Before first use, wash at 90 °C in the washing machine and iron. It is recommended to wear the face mask for a maximum of 4 hours or until it is wet - then it must be replaced with a clean one. We produce in the Czech Republic.