1. One-way breathing valve: Exhale to expel hot and humid air, and inhale to block pollution.
2. Chin support design: wrap the entire face, tighter and windproof.
3. Invisible plastic soft nose clip: It can be shaped without pressure and prevents eyes from fogging.
4. Adjustable elastic ear rope: freely adjust the length, not to tighten the ears.
Color: Black & Grey & Navy Blue & Purple
Size (mask): 17.5*9.5cm
Size (filter): 12*8cm
Material (mask): 100% Cotton
Material (filter): spray cloth
Filtration rate: ≥95%
How to use the filter: Insert the filter along the inside opening of the mask to use it (recommended to be replaced once a day).
1 * Mask (without filters) + 10 * Filters / 2 * Masks (without filters) + 10 * Filters