These KN95 face mask's 5-layer design is made up of two layers of non-woven cloth, two layers of melt-blown fabric, and one layer of hot air cotton. The outermost layers of non-woven fabric filter large particles. The middle 2-layers of melt-blown fabric block more than 95% of particles. The innermost layer of non-woven fabric is soft and skin-friendly. The unique point-shaped form creates a bigger cup designed for easier breathing and reduces heat and moisture build-up. A metal nose clip ensures the mask fits tightly. The lightweight, foldable design makes these face masks easy to store.