polycotton 2 layers 1 layer Hepa filter + 1 filter pm2.5 . Washable
Black cloth mask with filter.
Made of 60% polyester and 40% cotton.
This can filter tiny particles from the air and protect it from fog, smog, dust, vehicle exhaust, and air pollution.
Good choice for travel, outdoor sports, cycling, etc.
Double filter layer with a filter bag.
One filter inside the mask and five additional filter pieces included for your convenience.
take out the filter to wash
Stretchy elastic ear flaps for a snug fit.
Washable and reusable.