... matreial : nonwoven , melt-filter 50 pc/Box 2000X/Carton.. Specificationface mask with tieMatreial : 3ply 18GSM PP+ 20GSM filter+25GSMSize: 17.5*9 ... can be printed Feature1, Lightweight, soft, comfortable, ordorless2,fiberglass free with tie3,No irritating to skin4,Permits air passage and breathable5 ...