UNISEX Black Face Mask, Dust Mask, Washable Mask,Reusable Mask Handmade This durable face mask is made from two layers of treated fabric and features elastic ear loops and a center flat seam that ensure a close fit. It's machine-washable and reusable. • Two layers of fabric • Fabric: 100% polyester • Finish: 95% cotton, 5% spandex • Fabric produced with Silverplus® technology • Contains a biocide for hygiene and freshness based on silver chloride It prevents the growth of bacteria