Plain Water Repellent Fabric Face Mask (Adults)Plain Water Repellent Fabric Face Mask (Adults) Materials and features: First layer: Water repellent fabric (breathable outer layer); plain dark blue Second layer: SMMS filter 4 layers of filtration in compliance with WHO recommendation. (Please refer to the picture) Third layer: 100% cotton fabric for additional comfort (inner layer) (The filter is stitched in the mask, so no need to insert other filter) Soft ear loop elastic for extra comfort Each