Breathe Health 100% Pure Silk Face Mask - Asthma/allergy Air Filtering Dust Mask with Germ Killing Antimicrobial Ideal for Sanding & Drywall, Renovation & Construction 100%Pure silk Washable Reusable Mask: Protection from Dust, Pollen, Allergy, Flu Filters air down to 1.0 micron to help to protect against most types of dust, pollen, mold spores, pet hair & dander, various bacterial allergens, and airborne effluents that can contain cold and flu germs Travel - Airplane, public areas, weakened immune system, outdoors, Pets & Pet Grooming Ultra thin, ultra breathable and ultra comfortable. Conforms to different face shapes & sizes, attaches with soft, stretchy ear loops.