The N 95 masks are specially designed to avoid the entry of small or micro droplets through your breathe. They have very small pores that prevent the access of infectious agents that may be airrr borne. They are worn to also avoid the spread of flus or infections, if you have got any. They are highly effective than a regular surgical mask. During the COVID-19 situation, it is highly recommended to use a N95 mask and carry it along with you. They filter the breathe and make sure you breathe safe and pure.