The Face Mask has a 5-ply face mask that is protective and has high filter efficiency. The outermost 1 layer non-woven fabric can filter large particles, middle 2-layer melt-blown fabric can block more than 95% particles, 1 layer hot air cotton can filter pm2.5 and the innermost 1 layer non-woven fabric is skin-friendly and softer that gives you the comfortable usage experience at the same time it protects your breath with high filter efficiency.The softer elastic ear loop design of the face mask helps eliminate pressure on the ears for a comfortable experience. An adjustable nose clip design can help the mask perfectly attach to your face. This The four sides join tightly to the face; Hence, the protective mask avoids unfiltered air directly entering into.