- 2-LAYERS OF HIGH QUALITY FABRIC - SLIT IN BETWEEN FOR ABILITY TO INSERT MASK FILTER (HEPA FILTERS, COFFEE FILTERS ETC) - MASKS ARE FOCUSED ON COMFORT AND TO PROVIDE PROTECTION FROM AIRBORNE IRRITANTS - MASKS CAN PROTECT YOU FROM SMALL DUST PARTICLES, POLLEN, WIND, LIQUID, SMOG, ASH AND MORE - WASHABLE AND REUSABLE - BREATHABLE - NOT INTENDED FOR CLINICAL USE - S
