Ouyi Children's FFP2 NR Mask Black 10 pcs protect against pathogenic biological agents (bacteria, viruses or fungi) without losing comfort. These masks have a high filtration efficiency, ≥ 92%, for protection against inhalation of solid particles, fumes, water-based and oil-based mists. The masks ensure sufficient breathing space and fit perfectly to the contours of the face to provide complete protection. Valveless (no contagion to others). Concave shape, with adjustment straps. Comfortable and easy to use. Respiratory protection equipment. Size for children. This product is not reusable. Contains 10 units. In black color.