Characteristics: -Nose clip -Rubber regulators -Gold metallic crown pin identifying the authenticity of the mask. Composition: 100% cotton Structure: Double layer of 100% cotton with waterproof and antibacterial treatment They are reusable hygienic masks that can be washed in hot water up to 60º. On the requirements determined in the UNE-EN 0065: 2020 standard for masks, the following results are obtained: - Bacterial filtration requirement (BFE)> 90 - Breathability (Differential pressure Pa / cm2) <60 Verified in test AmsLab report number: 20-008328 dated 08/26/2020 All tests have been carried out taking into account also the European Directive on medical devices CWA 17553: 2020. These masks do not need a filter inside, so it does not generate any disposable items and they are the most ecological and sustainable option for the planet. The drawing of the masks that appear in the catalog is indicative with respect to the final patterns, since for a better use of the fabric, the exact position of the pattern on the mask may undergo modifications with respect to the images presented. It can be washed up to 50 times. Up to 10 washes, it meets the requirements determined by the Spanish standard UNE 0065: 2020. Up to 50 washes, it complies with the European standard CWA 17553: 2020. Distributed in pharmacies throughout Spain.