Face masks include disposable face masks and reusable face masks. Face masks are necessary for children and adults, especially in this special COVID-19 period. We have to wear face masks in daily life. We can choose colors and types we like to wear, also, we can choose different functions of face masks, such as anti-dust or anti-PM2.5 functions, etc. There are different layers for is to choose from, such as 3 layers, 4 layers, etc. Wearing face masks has a lot of benefits for us, we can breathe less polluted air, face masks can prevent harmful substances from our bodies. Giving us healthy lives.