Medicos 3 Ply Surgical Disposable Face Mask has protective and high filter efficiency. The outermost 1 layer non-woven fabric can filter large particles, middle 1-layer melt-blown fabric can block more than 95% particles, and the innermost 1 layer non-woven fabric is skin-friendly and softer that give you the comfortable usage experience at the same time it protects your breath with high filter efficiency.