The Nanan mask is produced in high quality WASHABLE AND REUSABLE COTTON. It is a mask of social distancing provided with soft and conforming side elastics, it can be narrowed by making small knots to the elastics. Thanks to its conformation it effectively covers nose and mouth with a double layer. Inside it has a cotton insert in which to be able to affix the TNT filter to be used also as a surgical mask cover. It's not a DM medical device and is not suitable for hospital environments. They are for civil use of social distancing in the covering of nose and mouth. Article produced in Italy for civil use