50 Pack (5 packs of 10 pieces) Or Individually Wrapped Disposable Black Face Mask, Breathable safety face masks are made of high quality facial mask non-woven fabric. Outer layer is effective dust waterproof; Middle layer stop particles; Inner skin-friendly layer absorb the moisture from the breath, which makes it breathable and comfortable to wear. 3 ply face mask can well protect the health of the respiratory system and protect your breathing.