Our non-woven face mask is made up of top-grade non-woven fabrics. The common sizes what we produced are 175*95mm,145*90mm,125*80mm and so on, with 2 or 3 or 4 layers as well as many three dimensional face masks and BFE degree are 99% and 95%,which depends on the material. We can also produced the face mask as per customer’s requirements.