Five Layers of high-density filtration. Breathe safely and comfortably. Spunbond nonwoven, Meltblown nonwoven, Air blown nonwoven fabric, Three-dimensional nose bridge strip, Extra-soft earloops Two layers of spun-bonded non-woven fabric, two layers of melt-blown non-woven fabric and one layer of air blown non-woven fabric to effectively insulate viruses and bacteria, protecting your health.
