non-woven face mask, various type 2-ply, 3-ply, 4-ply, ... and tie-on size: 14x7cm, 15x9cm, 16x9cm, 17.5x9.5cm non-woven face mask, 2-ply, 3-ply, 4-ply Sanitation and ... ) Nose bar: 10.5cm, 9cm4) Packing: 50pcs/box, 40boxes/ctn5) Color: White, Blue, Green, Pink, Yellow etc.6) Customer's logos ...