Hygienic masks made with cotton on the outside and water-repellent twill on the inside.
It has fit in the nose and is hooked on the ears with rubbers.
They're washable. As it puts on the sheet of the twill is from the 25 washes when it starts to lose properties.
Washable with neutral soap, you can use the washing machine, the shape is better preserved if washed by hand.
If you live nearby or in Aranda de Duero I can deliver your order in person.