Ray-JrMALL MR.Jiang Bike Cycling Bicycle Ski Anti-dust Half Face Mask with Filter Black Stick strap adjusts the size, suitable for most people, used to protect the face.The material is soft and comfortable to wear, dustproof and its thermal effect is very good.Design according to the human face shape and cover the parts under the nose. Note:there is huge plastic taste when you receive the product, please open the package to air the mask on ventilated place and then begin to use.If you want to clean it, please firstly remove the filter layer and the clean, the filter layer can not be washed.. Name:mountain road bike anti-dust mask. Color:black. Material:diving fabrics + carbon fiber.