Diamond Shape: The Guinness World Record 2022. Largest Surgical Face Mask In The World The Guinness World Records announces that the mask is 50 times larger than a standard face mask. 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
