Non-reusable hygienic mask for children. Manufactured with the same materials and under the same guidelines as PROVEIL HV surgical masks. However, children´s masks cannot contain the name "surgical", which is why they are called "hygienic" in accordance with the UNE 0064-2: 2020 standard. It is for personal use, adult supervision of the placement, use and removal of the mask is required. Hygienic mask with a bacterial filtration efficiency (BFE) greater than 98% and an average breathability at differential pressure of 29 Pa / cm². Made in Spain. Both the filter and the preparation and packaging of the mask are manufactured in Spain. Certified by the notified body Eurofins Textile Testing Spain, SLU. Report AR-21-YL-003063-01. The filtration efficiency of fine paraffin aerosols measured in collaboration with the IATA-CSIC is greater than 88%. The range of aerosols measured is between 0.15 and 5 microns, the size of the coronavirus is 0.15 microns.