Dog Print Mask by Snoozies is a machine washable multi-layer fabric face covering with filter pocket. It is made using 3 layers of fabric and included a filter pocket where the 5 layer filter is inserted. The flexible metal nose bridge offers a comfortable and snug fit. Included with your new mask are 4 filters! The mask complies with CDC's recommendations for covid-19 cloth masks but is not a surgical mask or an N-95 respirator. The supplier of this mask does not manufacturer the included filters and is not a medical expert. Replace filters as needed.