11-Piece Set: Breathable Bacteria-Proof Sport Face Mask with Activated Carbon PM 2.5

Suitable for dust, anti-vehicle exhaust, anti-pollen allergy, PM2.5, for cycling, hiking, skiing and other outdoor activities Features: Activated Carbon Dustproof Mask Are you now troubled by dust chemicals, smoke and particles, Do you want to enjoy a free outdoor life? Common mask ? It has no effect. A must have for outdoor activity 1 pcs Mask with 10pcs kn95 Filter