3PLY SURGICAL MASK Disposable masks are made of 3 ply high-quality safety standard non-woven fabric. Outer layer is effective dust water prevention; Middle layer filters out more than 95% of air particles, help prevent coughing and sneezing water from entering the nose and mouth; Inner skin-friendly layer absorb the moisture from the breath, which makes it breathable and comfortable to wear. 3 ply face masks can well protect the health of the respiratory system and protect your breathing.