Description Overview Standard: B2626-2006 KN95 0.3 micron particulate filtering greater than 95% Built-in adjustable soft nose clip 4 layers (4 ply) available now 3 layers (3 ply) can also be made All masks passed CE certification Packaging 4 masks per bag 160 bags per carton equals 640 masks per carton 315 cartons in a 20 foot container equals 201,600 masks per container Carton Specifications Gross weight: 5.485 kg Dimensions: 520 mm x 320 mm x 480 mm SpecificationsCertification: CE Certified