Wrap-around design, full coverage, built-in nose bridge fixing strip, soft fit to the skin contact surface, the rope is flexible and comfortable to wear The product is a disposable ma-sk, but it needs to be replaced in time when the ma-sk is obviously dirty or damaged or the user feels that the breathing resistance has increased significantly. Can filter airborne particles, isolate droplets, saliva, etc. It can protect the nose and mouth from aerosols, liquid splashes, chemical pollutants, dust, automobile exhaust, and pollen. Do not use high temperature or alcohol disinfection, otherwise, it may damage the filtering effect of the ma-sk.