environmental protection full plastic 3.0*0.8mm nose clip/bar for face mask

It takes into consideration both the comfort of human body and the basic requirements of efficient breath. A flexible Nose bar is adopted at the bridge of nose; The four sides of the mask join flatly and tightly to the face; Hence, it avoids unfiltered air directly entering into the mask and thus make breathe safely. Furthermore, ther earloop which is made of antibacterial spandex prevents any flu danger