【Filter Efficiency ≥ 95%】KIMARS face mask is made of 2 non-woven outer layers, 2 melt-blown inner filterr, offers more protection than a standard disposable 3-Ply mask. The filter efficiency ≥ 95%.【Skin-friendly and Comfortable】These face mask use skin-friendly non-woven fabric, no irritation to your skin, High-elastic ear loops and adjustable nose clip to ensure a comfortable fit and no strain of ears.【Perfect 3D Design】According to the human face, the 3D shape is designed with ergonomic to ensure the face mask can completely tights around face, mouth, nose and chin. You never need to worry about fogging your glasses and the Inserted nose clip falling off.【Multiple Protection】Provides several times the protection of disposable masks, so you can rest assured whether you are at home, office, school, park, playground, shopping mall or other places.【Dust-free production】The production of every mask is zero-contact and dust-free. Ensure that the mask is clean and hygienic. The user can use it directly after receiving it.