Innovative Silvadur silver ion antibacterial technology: it is integrated directly into the fabric and guarantees protection from bacterium, microbes, germs and pollen Odorless and extremely resistant material: thanks to the Silvadur system, it gives a pleasant sensation of freshness all day. Guarantees 99% antibacterial action Reusable and washable (between 30 ° and 60 °), it maintains its filtering power even after 50 washes. SilvadurAntimicrobials, is part of the Dow Microbial Control business unit of the Dow DuPont division. Li> Antibacterial action with innovative Silvadur silver ion system. Exploits the properties of silver to eliminate microbes and bacteria. Releasing the ions in a continuous way guarantees a constant protection of 99% tested several times even in different areas. 100% cotton: ecological and made with full respect for the environment. Practical and comfortable mask to wear thanks to the adjustable elastic bands, allows a good flow of air and excellent breathability while guaranteeing maximum protection.