Mouth and nose mask, face mask, fabric mask material: 100% cotton, washable and reusable. To clean a mask, it is enough to wash it at least 60 degrees in the washing machine. If you do not want to use the machine separately, you can also boil the mask in a pot of water for several minutes. Important afterwards: allow to dry well. The oven method is also considered safe: preheat the oven to 70 degrees and "bake" mask for half an hour. Comfortable to wear. The protection for the mouth and nose is attached with a tie. Therefore suitable for any head shape. Nevertheless, it keeps the necessary parts of the face reliably covered and fits snugly. Product details: denim blue, 2-ply, one size and unisex. Made from high-quality materials. Not a medical respirator mask. Not FFP standard. No certification. The product offered is a homemade mouth cover, not a medical respirator mask. The product does not comply with FFP standard and is not certified. Wearing the mouth cover does not protect against respiratory infections. It can at most reduce the risk of pathogen transmission to others. A guarantee for this is not assumed. Scientifically recommended is the tight wearing and regular replacement in case of moisture.