Fabric layers 100% polyester, anti droplet – non toxic print certified medical device • washable at 60° and reusable* • 100% made in italy • bacterial filtration rate greater than 95% bi-directional (higher than ffp2 which guarantees 92%) • products certified under the standards uni en 14683:2019 • hypoallergenic fabric suitable for sensitive skin • non-toxic print • flexible aluminium adhesive bar that can be adapted to the shape of the nose