FASHION TEXTILE COLLECTION 3-Layer Filtering 1) 100% Fine Cotton Japanese Yarn-dye Plaid Fabric Shell. Sourced from small batch artisanal fabric mills in Osaka, Japan. 2) Hot Air Cotton Filter (Same material found in medical grade N95 masks) 3) Soft, Hypo-Allergenic Lining Fabric Highlights * Filter Pocket to add your own Additional Filter * Refined Shape for Best Fit * Adjustable Inset Metal Nose Bridge * High Quality Nylon Spandex Ear Loops with Adjuster * Machine Washable & Reusable Protective Face Mask