WARNING: Wearing the mask will directly expose it to any germs that you're carrying. If you're planning to donate this mask, do not try it on yourself unless you're going to wash it before donating it. You can spread COVID-19 to others even if you don't have any symptoms yourself.
When wearing a mask like this, it should fit snugly around your nose and mouth.
Pinch down on the area around your nose and underneath your eyes. When you breathe, air should not escape from underneath the edges of the mask.
This means that if you wear glasses, your glasses should NOT fog up when wearing this mask properly. That's why the nose bridge insert runs along the top edge and extends all the way down to the upper strap.
This type of mask can NOT be used effectively by anyone with a beard.
You should be able to machine wash the mask in warm water and dry it on high heat. Test one in your washer and dryer to see how it holds up. The virus that causes COVID-19 is not believed to be able to survive exposure to laundry detergent and/or temperatures above 158ºF (70ºC).
If donating masks, I suggest sterilizing them and then sealing them in plastic ziplock bags or using an impulse sealer. Include a card that's visible through the plastic with information about the mask, including the date that it was packaged, the number of internal layers, and the specific materials that you used.
Please be safe!
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