... Ear loop/Tie on 3. with goggle 4. Sterility 5.4-ply,3-ply, 2-ply, 1-ply 3-ply face mask have ... human kin5) filter pollen, dust and bacteriaSpecification:1) Material: 3 ply 20/25g PP + 20/25g filter +20/25 g2 ... for adult)150*90mm (for children) 120*70mm (for baby)3) packing: 50pcs/bag,2000pcs/CTN4) customer’s logo can be ... ,ISO9001 standards, very low resistance to breathing non-woven 3-ply face mask best