Hi-forest KN95 Protective Facial Mask is the high-quality facial Mask.It could effectively defend various particles in the air includes PM2.5 dust and bacteria/virus. It has a high-efficiency melt-blown layer which absorbs fine particles in the air, defend bacteria/virus. The facial mask is made by 3D defendable shaped cotton which is (Antibiosis, Antiviral is available), soft and comfortable, allaying shock.