✔【5-Layer Face Mask】 Our 5-ply KN95 face masks are made of two layers of non-woven cloth, two layers of melt-blown fabric,one layer of hot air cotton. High efficiency in filtering which can provide the most effective protection, premium quality non-woven fiber can provide easy breath, convenience and pleasurable usage. This KN95 mask Provides you with the reliable support you deserve. | ✔【3D Design】 The 3D shape is designed according to the human face shape to ensure the tightness, to fit the human face, to increase the breathing volume when use the face mask. Our WWDOLL breathable face mask KN95 can greatly improve the permeability, and to make wearing and exhaling more comfortable. | ✔【Powerful Protective Barrier】 Not easy to drop, no need to adjust it when you work. Softer elastic ear loop design of the face mask helps eliminate pressure on the ears for comfortable experience. Adjustable nose clip design for a comfortable fit. The four sides join tightly to the face; Hence, the protective mask KN95 avoids unfiltered air directly entering into. | ✔【Widely Applicable】 Our KN95 face mask 25 pack are unisex and all one size. They can be applied in home, office, school, park, playground, indoors, outdoors and more public places. It’s a best protection to wear it when you travel through congested airports, bus terminals, malls, party and busy city streets. | ✔【Portable】 A lightweight and foldable design makes these face masks easy to fold into your bag, easy to incorporate and save space. KN95 masks 5 layer can be applied in home, office, school, park, playground, indoors, outdoors and more public places. Disclaimer: This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s