Our unique origami cloth masks have a beak like fold that keeps the mask away from the nose and mouth. This makes breathing and communication very comfortable. It has adjustable ear loops, so it fits to snugly to the face. 1st Layer: Breathable 200 count cotton. 2nd Layer: Anti PM2.5 interlining melt blown filter fabric. 3rd Layer: Breathable 200 count cotton. 4th Layer: Slit provided for extra filter material if needed.