face mask with tie 1. Type: tie-on,3ply 2. Color: ... . Material:SPP 4. Packing: 50 pcs/box, 20 boxes/carton Face mask with tieSpecification:1, Matreial : 3ply 20GSM PP+ 20GSM filter ... fields, mainly including nonwoven clothes, shoe covers, lab clothes, nonwoven face masks, plastic beards, and other related products ...