BYD CARE KN95 Respirator Mask - 20 Pack - Head Strap & Tight Fit

Nonwoven Fabric, Melt-blown nonwoven fabric The mask consists of three layers of high quality nonwoven materials: the outer and inner layers are made of polypropylene spunbond nonwoven fabric; the middle layer is made of polypropylene melt-blown nonwoven fabric. These three layer construction provides at least 95% filtration efficiency against solid and liquid aerosols free of oil. Provide soft, skin-friendly, comfortable wearing experiences and protection for daily usage. The foldable design can cover the nose and mouth with close fit to the face, providing respiratory protection against non-oil particles and reduce user exposure to certain airborne particles including those from sanding, sawing, grinding, sweeping, bagging, or from processing minerals, coal, iron ore, flour, and certain other substances. The elastic head straps are soft and gentle to skin, eliminating the pressure behind the ears even when worn for a long time. The built-in nose bridge is adjustable to ensure a com