The Harley L-188 N95 Particulate Respirator Mask is foldable and easy to store and can adapt well to the wearer facial features. The mask is NIOSH certified and so functionalities such as penetration, breathing resistance, and strap strength meet or exceed the standards set by NIOSH to filter out at least 95% of airborne particles at a particle size of 0.3 microns. This respirator comes with a padded nose-piece for increased comfort. PACKAGE: Inner :20 Mask Per Box Outer: 20 boxes per carton (400 masks) MATERIAL: PP Non-woven fabric: High-efficiency low-resistance melt-blown, electrostatic cotton. Headbands: Latex free Nose piece: Adjustable aluminum w/ padded foam inside mask for increased comfort. SPECIFICATIONS: Device Registration Number: TC-84A-6973 Manufacturer Name: Guangzhou Harley Commodity Co. Personal NIOSH Approved N95 Respirator Model Number: L-188 Material: Non-woven SPP+MB+SPP Nonwoven Polypropylene Filtration: More than 95% Type: Foldable Mask Size: Adult Certificate: NIOSH N95 NIOSH Registration Number: TC-84A-6973 Straps: Two Behind the Head