Its stretchable earloop straps and inner nose pin to meet the most head sizes while assurance that it won't hurt your ears or nose during extended hours of wearing. Ideal for wearing by men, women & adolescents alike. filtration efficiency more than 95% of PM 2.5. Protects your face, nose, mouth, against dust, smoke, ash, pollution and other particulate matter in all weather conditions. SOFT EDGE design of soft & super light NON-WOVEN & DUAL LAYER MELT BLOWN material which does not cause any irritation even after prolonged wearing. The design provided on the mask filters the air properly and allows it to pass through, letting you breathe fresh even while long time wearing. PROUDLY MADE IN INDIA. NIOSH, CE, ISO, GMP, WHO CERTIFIED.