3 Ply face mask which is used to improve the air you breathe when you are outside on bad air days. Filtering the air when you are working in an area with a high concentration of air pollution, chemicals, dust, smoke, pollen, ash, mold, clay, etc. Eco-Friendly Cotton, Breathable and absorbent Air mask dust is made of Antibacterial Cotton, Suitable for sensitive skin, Lightweight, easy to breathe through Two exhalation valve. ADVANCED PARTICULATE RESPIRATORS These disposable, anti-dust masks help protect you from inhaling small particulates like saw dust, metal shavings, pollen, allergens, and more. This Product is not Eligible for Return.