Dario mask is Trusted product. 3-ply -Double Layer Pure Cotton face mask with tie lace. Made from OT linen & Trusted by Doctors. Washable Reusable Autoclavable Surgical Mask. Double layer provides protection & safety. Ideal for Respiratory Allergy, Hospital professionals & Outdoor protection, Laboratory, Library, Office premises also for Cold proof, Dust, Allergies, Smoke, Pollution, Respiratory infections, Gardening,Travel, outdoor protection. Width & height covers maximum face.