SODIAL(TM) Anti-dust Masks Blue It is specially designed to protect the face and neck With soft material, comfortable to wear The flannelette in the bootom can seal up the neckline to prevent the wind, which has a good effect for heat preservation Dustproof, windbreak, can protect the forehead, nose, mouth, chin, neck and ears, to avoid frostbite According to the face design, keep out below the part of the bridge of the nose, with convex exposed mouth and ventilation holes, easy to wear