Three-layer disposable medical masks of type IIR meeting the requirements of the EN 14683:2019+AC:2019 standard. Masks with elastic bands for securing behind the ears and a nose sealing strip that conforms to the shape of the nose. High filtration capability against dust particles, bacteria, and viruses. High breathability, water-resistant, hypoallergenic. Made in the Czech Republic. Length: 175mm ± 5% Width: 90mm ± 5% Weight: 2.5 g ± 5% The package contains 50 pieces.