cleanroom product nonwoven face mask has high filtration efficiency 98% and is ideal for hospital, dental, clean room,food preparation and industrial environments. They come in two primary styles, ear loops using a soft bandelastic or with ties made from spunbond. Standard colors are white, green, blue, yellow, or pink. Soft, lightweight, Comfortable, odorless, Form fitting design, Fiberglass free, Latex free earloops (option), Non-irritating to skin, Permits air passage (1) MATERIALSOuter CoverstockWhite --25g/35g/40g PPInner CoverstockLight Green/Pink/Blue --16g PPMiddle Filter Medium White --20g/25g Meltblown Filter(2) DIMENSIONWidth across face Depth pleated Metal strip, inside stitch 4xTie length 2xloop size exposed 175mm+/-5mm 90mm+/-5mm total width(c.a.100mm) 380mm+/-5mm 185mm+/-5mm