Made of high-quality cotton and non-woven filter cloth, the 3-layer filtration. system of the safety mouth covers effectively prevents dust, PM 2.5 and a
series of airborne pollutants. Multiple protections to block dust, harmful substances, gases and
1.Three layer protect: Non-woven outer layer +filtration paper layer+skin-friendly Non-woven Inner layer.breathable comfort, low respiratory resistance.
2. Plasticity nose bridge strip, Hide the sides of the fixed nose.more suitable for all face types.