Fine Guard Comfort Adult Face Mask with virus ... - Amazon.ae
Efficacy of LIVINGUARD technology is up to 30 washes. Post 30 washes, the mask is reusable up to 1 year+ for daily protection. Washing of mask is subject to the mask’s usage. Recommended wash is weekly for 1-4 hours usage in a day and bi-weekly for less than 1-4 hours in a day.