Some of these say you can’t clean them, but every 2-3 days I wipe mine down with a alcohol wipe, then with a damp paper towel and let it dry. I use one for 7-10 days so a 10 pack will last awhile, then I will order more. Read more. 11 people found this helpful. Helpful. Report abuse.
https://www.amazon.com/KF94-Protective-Individually-Packaged-Certified/dp/B08J95F5TR