The fabric of this EVAC Face Mask is treated with a nano-scale anti-microbial coating called DiOX D4. Independent lab tests conducted by Cambridge University have shown that DiOX D4 kills 99.99% of coronaviruses within 1 hour, whereas untreated masks can harbour these viruses for 72 hours.Reusable face maskProven kill mechanism that actively eradicates coronavirus, safeguarding against cross contamination of COVID-19Adjustable behind the head toggle makes it comfortable to wear for long periodsRecycle scheme to ensure EVAQ is not contributing to the PPE environmental catastropheDiOX D4 will continue to be effective in preventing contact transmission up to 20 washes