This non-medical KN95 face mask is breathable. Consists of two layers of non-woven cloth, two layers of melt-blown fabric, one layer of hot air cotton. 3D structure is designed according to the human face shape to ensure the tightness and safety. Helps eliminate pressure on the ears for comfortable experience with soft elastic stretchable ear loop. Adjustable nose clip can help the mask perfectly attach onto your face. Applied in home, office, school, park, playground, indoors, outdoors and more congested and busy public places. 5 1/2" L