The Kawach Has Multi Layers. Layer-1 (Inner Layer) - Ultra-Soft Cotton Fibre, Knit Mesh, Fine Gauge Bio-Washed Fabric For Anti-Allergic, Comfortable And Extra Filtration, Layer-2 (Middle Filter Layer) Melt-Blown/Spun Bond Technology For Ultra-High Filtration Greater Than 99.9% At 3Micron, Layer-3 (Outer Layer)- Lightweight Knit Mesh For First Layer Protection From Large Particles And Splash.