Features: 1) 3-ply non-woven face mask 2) High filtration efficiency: 98% - 99.9% 3) Ideal for hospitals, dental and clean rooms, food preparation and industrial environments 4) Two primary styles: a) Ear loops using a soft band elastic b) With ties made from spun bond 5) Standard colors: white, green, blue, yellow, pink 6) Soft, lightweight 7) Comfortable, odorless 8) Form fitting design 9) Fiberglass free 10) Latex free ear loops (option) 11) Non-irritating to skin 12) Permits air passage 13) Non-Woven face masks in 1-ply, 2-ply availableSpecifications: 1) 15g+20g+25g 2) 20g+20g+25g 3) 20g+25g+35g