Anti Dust PM2.5 Mask Breathable Warm Mouth Masks with Double Filter Breathing Valve One

Are you still worried about freezing your face while riding Are you still worried about air pollution Are you still uncomfortable because there is no air filter in the mask If you are worried about these problems, then try this mask, it will not let you down. Features: Flexible nose beam, adjustable ear belt, skin-friendly and breathable, 5-layer filter, mask and nose are more conformable to refrain the fog of the glasses caused by breathing. When exhaling, the valve automatically opens, and the mask discharges the gas smoothly; when inhaling, the valve automatically closes to refrain harmful gases to enter the mask. Double breathing valve makes breathing more comfortable, mesh fabric is highly dust-proof. Suitable for public places, outdoor, travel, etc., is a good gift for friends, family and colleagues. Specifications: Main material: cloth Color: black Size: one size Item weight: 55g / 1.9ounce Package size: 270 180 30mm / 10.6 7.1 1.2in Package weight: 76g / 2.7ounce Package list: 1 Mask 2 Filter