1,3 ply face mask 2,BFE:95%-99% 3, Certification:CE; ISO ... occupations,non-woven face mask (3ply ear-loop )1,3 ply face mask with ear loop 2,BFE:95%-99% 3 ... .5cm,12.5x9.5cm4.Gram(material): our general is 18+20+25g,18+22+25g,20+20+25g,25+25+25g etc ... %6.Color: white/blue/green/red/pink/yellow etc , 3 ply disposable surgical face mask (earloop mask)