Global Protective Face Mask Market Size study, Global Protective Face Mask Market, By Product (N95, N99, P95, N100, Other), By Type (Reusable Mask, Disposable Mask), By Mask Securing Method (Ear Looping, Elastic Mask, Ear Knotting String), By Shape (Round & Oval, Rectangular), By Material (Cotton, Nylon, Thermoplastic, Others), By (Layers1, Layer2, Layers3, Layers4, Above 4 Layers), By Price Range (Below US$ 2, US$ 2-4, US$ 4-7, Above US$ 7), By Age Group (Below 15, 15-25, 25-50, 50-65, Above 65), by End-user (B2B, B2C), and Regional Forecasts 2021-2027