Convenient management of sanitation
It is made of double frame structure, forms large space between mouth and filter; therefore, it tends to occur less condensation and dry discharged saliva easily which strikes for more sanitary condition. When washing, you can wipe it with designated towel or wash with water.
Good ventilation and feel no suffocating and tiredness because heavy CO2 is emitting through the lower part and the exhalation is barely occurring.
Soft wearable sensation
It is made of silicon, soft and harmless to human body at the jaw stanchion part to reduce the pressure, Your ear will be comfortable even for long time by think and soft ear string.
Size of wide usage
Since the radius of supporting frame is wide enough, the size or shape of user’s face is not going to matter.
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10 Pieces/ Box