China Flag Makers Blog

As growing evidence shows that masks help curb the spread of the c oronavirus and many states have made face coverings mandatory in public places,  numerous  companies stepping in to sell them. Among so many distinctive face masks  in the market, especially the cloth face masks , do you know how to choose the right mask to protect you and your loved ones? To decide if a cloth face mask is effective and good, you should keep 3 things in mind. 1.  How many layers does it have?  For disposable face masks, they normally have 3 to 5 layers, but single and double layers are more common for fabric face masks in the market. Some suppliers will also add an extra filter layer to enhance the protective effect. According to Richard Wenzel, M.D., infectious diseases epidemiologist and emeritus professor of internal medicine at Virginia Commonwealth University in Richmond, multiple layers of fabric are better than only one. 2.  What fabric is the mask used?   What f...