100% black cotton face mask. Soft and comfortable to wear. These masks are washable and re-usable. 
 
Features:
-Includes two replaceable PM 2.5 filters (each).
-Flexible nose bridge wire that can be adjusted to fit your nose shape. 
-This 3D shape mask fits over the curve of your face and under the chin for the perfect fit. 
-Adjustable elastic loops. 
-Pouch to insert replaceable filters.