Regardless of appearance, filtration performance or texture, it is a high-quality anti-particulate civilian mask. After years of study and testing by R&D, on the basis of the existing international foundation, the eversion base material is used in combination with the plastic structure. From the outside to the inside, high-quality PP non-woven fabrics, precision activated carbon, high-efficiency filter materials and the inner layer of skin-friendly materials are used. PP non-destructive cloth, and the shape of the PP bracket set off, the product has the convenience of folding, and also has the large space of the cup-shaped mask, and can choose whether to configure the breathing valve.