The masks with the most protection are the ones that are N95, KN95, KF94.
These masks filter up to 95% of particles in the air, they seal tightly to the face and they meet international standards.
Clean hands save lives! Regular handwashing before and after certain activities is one of the best ways to remove germs, avoid getting sick, and prevent the spread of germs.
Click on this link to learn how to do it properly.