This combination provides increased filtration ability covering a broader spectrum of pollutants than either filter on its own. It is specially designed to protect the face and neck£¬with soft fleece material, the flannelette in the bottom can seal up the neckline to prevent the wind, which has a good effect for heat preservation. 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. Features Material soft, comfortable wearing,used for Protect the face and neck Neck With flannelette ,dustproof,can block collarband,prevent wind into,heat preservation effect is very good According to the face design, keep out below the part of the bridge of the nose,the bridge of the nose with convex exposed mouth, mouth have ventilation holes, neck fixed magic stick Specifications Black part of the fabric: Fleece Horizontal length: 50cm( Tiled) Longitudinal length: 28cm( Tiled) Color: Black Weight: 36g Package Includes 1 x Outdoor Riding Bicycle Mask/Ski Mask