The product is intended to be used as an accessory. The product is not intended to act as a medical device or other medical product, and should not be used as a replacement for conventional and approved personal protective equipment, including surgical masks or respirators.
CDC suggests wearing face cloth coverings in public settings where other social distancing measures are difficult to maintain. This additional safety measure helps protect others in case you have coronavirus, but don't show any symptoms.
You should still follow other protective measures as well, and closely follow the latest recommendations from public health officials and CDC to make an informed decision about the use of these masks.