disposable masks:
Disposable masks is made of 4 ply non_woven material,it is  healthy and safe for you to use.


    

Product specification:
Precautions
1. This proctective mask is for adults only. please do not exchange it with others
2. Non recommended when lack of airflowing ,poor breathing,sleeping or when the oxygen concentration is with a new mask.
3.When the mask is damaged or dirty or the breathing resistance is significantly increased,leave the contaminated area and replace it with a new mask.
4. This product is not washable ,if you plan to reuse it,it should be stored properly and keep clean
Storage method:keep it in normal temperature ,clean,ventilated and dry place,it is forbidden to mix with poisonous  ,harmfuld and odorous items.
please keep away from fire.
recommended usage time:it is recomded not to used it continuously for more than 4 hour at a time

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