The disposable face masks or surgical mouth masks are the ones we have had at home almost always, to remove the dust, not to breathe the paint when we renew the walls in spring, those that have been given to us when we have gone to visit someone in isolation... This kind of face masks are the most basic ones, they are light and foldable. They are single-use, so don't do as some people do out there, who wear them several days in a row. These masks properly fulfill their function for 4-6 hours and after that it is recommended to throw them away and replace them with a new one. Their cost is low, they are the cheapest. They are one size fits all and they are adjusted to each of us by means of a little wire in its upper part, which falls on the nose, and by means of the elastic bands that you attach to the ears. This product is offered without personalization.