1,3 ply face mask 2,BFE:95%-99% 3, Certification:CE; ISO 4.Anti- ... anti-virus 5,Excellent quality, We specialized in making face mask for more than 20 years and able to satisfy variety ... many industries and occupations,non-woven face mask (3ply ear-loop )1,3 ply face mask with ear loop 2,BFE:95 ... :soft non woven fabrics,breathable and confortable2.Size: 17.5 x 9.5cm,14.5x9.5cm,12.5x9.5cm4.Gram(material ...