face mask with tie 1. Type: tie-on,3ply 2. Color: green,blue ... 4. Packing: 50 pcs/box, 20 boxes/carton Face mask with tieSpecification:1, Matreial : 3ply 20GSM PP+ 20GSM filter+25GSM2, ... fiberglass free with tie3,No irritating to skin4,Permits air passage and breathable5,In labs ,hospital, factories for blocking liquid mists,harmful ... masks, plastic beards, and other related products. face mask with tie