Bacterial Filtration Effiency(BFE) ≥ 98.5%,Particle Filtration Effiency (PEE) ≥94%Mask Has 3 Layer Outer, Middle and Inner || Outer Layer is Water Resistant Layer Which Helps to Block Outside Droplet || Middle Layer is Filtration Layer Which Block Germs, Bacteria, Pollution, Dust etc || Inner Layer is Skin Friendly Layer Which Observe Inside MoistureMask Has Inside NOSE PIN || An Ultra Stretchable Elastic So Mask Can be Used For Long Time Without Hurting Your Ears Which Gives More Comfortable.Mask Can be Used For Outdoor Walk, Travel & Commute, Biking, Cycling Police, Traffic, Security & Delivery Personnel, School etcDENMAX is a registered TRADEMARK of DENMAX INTERNATIONAL. All Rights