Three-layer disposable medical mask type IIR meeting the requirements of standard EN 14683:2019+AC:2019. Mask with elastic bands for attachment behind the ears and a nose seal strip conforming to the shape of the nose. High filtration ability against dust particles, bacteria, and viruses. High breathability, waterproof, hypoallergenic. Made in the Czech Republic. Length: 145mm ± 5% Width: 90mm ± 5% Weight: 2.0g ± 5% The package contains 25 pieces.