VN95 (5layers) (CE, FDA,SGS, IRSST,EUR,..) 1 Box = 20 Pcs 1 Carton = 40 Boxes Help protect your lung from small particulates like saw dust, metal shavings, allergens coal, iron ore, flour, wood, pollen, pet hair & dander, mold spores and certain other solid substances free of oil. Adjustable head strap and metal nose bridge with full foam flange eliminates pressure points with added comfort. Lightweight Breathable, windproof, sweat-absorption, comfortable and skin-friendly. Excellent isolate ability and practical. Humanized design. Ergonomic cut on nose and loop adjustable and elastic ear belt can fit ear closely. It is enough to cover nose, mount, face.