Made from high-density 100% cotton fabric, each 3 layer mask is custom cut. Top layer is fitted with fusible interfacing & lined with a soft cotton interior. Seams are finished to ensure your mask holds its shape wash after wash. Researchers at Florida Atlantic Univ. found that for personal use, handcrafted masks provide the best protection against COVID-19. See the report https://abcn.ws/2BisMsz.