JP Leathercraft handmade face mask, Protective mask with filters, face shield, Sunset Oil TanMask is design to fit an inner filter, I included one of the precut filter (4. 7x3. 1 inches) and can be changed with same filters or you can cut filter fabric and make your own. Mask comes with elastic bands that wrap all around your head and can be adjusted, also comes with foam insert to help it stay around your nose and for comfort. Mask is made of Oil tan leather which makes it very resistant can be cleaned and wiped but not washed.