Organic cotton face mask, two protective layers, advanced filtration system, flexible nose bone. Please wash before wear. Reusable, wash after each use at 60 degrees C / 140 degrees F. Always remove the face mask from behind the ears and avoid touching the front of the mask. We advise washing your hands with soap and water before and after touching the mask. This is not a surgical mask and does not block any virus or bacteria when used alone.