These are not medical masksand are not designed to be. We do not make any medical claim to their usage. As with all health decisions you should consult your trusted medical professional to determine the best use for your personal situation. These masks make for a stylish and comfortable barrier / a simple way to keep you from touching your face and mouth area.
It is still most important to limit trips outside and wash your hands frequently. Civilians should not use medical-grade masks, which are in short supply and must be reserved for health care workers on the front line.
But wearing a mask can help limit the spread of respiratory droplets, which in turn spread the new coronavirus.