Three protective layers, middle layer is melt-blown fabric
Outer layer: Made of non-woven fabric, can prevent fluids
Middle layer: Made of melt-blown fabric, can prevent dust, PM2.5
Inner layer: Made of soft non-woven fabric, comfortable and breathable, can prevent particulate matter.
Features: Made of non-woven fabric and melt-blown fabric, including mask, nose clip, ear-loop band. The first layer is blue non-woven fabric(34%),middle layer is melt-blown fabric(30%); third layer is white non-woven fabric(30%),nose clip, ear-loop band(6%).
Instruction: This mask is for single use and can not be washed. It is recommended to use continuously for no more than 4 hours.
Storage: Keep it in a dry, clean, cool and ventilated place, relative humidity does not exceed 80%, non-corrosive gas place, away from fire sources and burning materials.
NOTE: This mask is not a substitute for medical surgical mask or medical protective mask.