"Use of Cloth Face Coverings to Help Slow the Spread of COVID-19" - CDC
These masks are two-layers of cotton and include two pm2.5 filters.
These masks come in a pack of 3. They have adjustable ear loops and work with most face sizes.
The masks are washable and reusable and much more efficient than disposable masks.
Please note that these masks are not intended for medical use, they are meant to slow the spread of Covid-19.
For more information from the CDC regarding their recommendation: Click Here