Patented protection technology, all-weather comfort and care, KN95 medical grade, effectively removes PM2.5, PM10, ultra-fine particles, smoke, pollen and other common pollutants. Specially designed for babies with petite faces. The ten-pack packaging bag is environmentally friendly and sealed, effectively protecting the filter material. At the same time, a mask storage bag is provided, which is clean and convenient and extends the service life of the mask.