Wearing a mask is a fashion unique, inspires imagination, cultivates the creative spirit, improves school or company image, and dresses stylishly and effectively to prevent covid-19. 1. Type: Diamond shape, 3-ply, non-sterile 2. Size: M, L 3. Color: as photo 4. Outer Layer: Water-repellent non-woven 5. Middle Layer: High level static filtration non-woven 6. Inner Layer: Microfilter Thermal-bond non-woven 7. Nose band: PE iron wire