Medimask Disposable Surgical Face Masks3 ply Surgical face masks with melt blown. Breathable layers, Bacterial filtration efficiency(BFE) 98%. They are soft, odourless and non irritating. Made with medical grade material. Helps filter out dust, bacteria, smoke, and pollution. Optimal comfort with nose bar for perfect fitting. Caution Avoid touching your mask. Replace the face mask if it becomes wet or damaged. Remove the mask by the straps and pull away from from the front of the mask.