The product adopts the SMMS composite process of microfiber technology, which is specially designed for particle protection. It has good air permeability and flame retardant function, and has a wider range of applications. It can effectively protect the particles in the aerosol, and can filter particles with a diameter of less than 3 microns99.9% or more. No silicone oil, no formaldehyde and other toxic and harmful substances The color of the product is white, inner overlocked stitching increases the firmness and protective performance of the product Comfortable and safe style design improves wearing comfort