Made of cotton, and polyester it’s both versatile and comfortable. The role of facemasks is source control, to reduce contamination of the surrounding area. Mask created with 3 layers: cotton and polyester, plus fusible interfacing in between. Comfortable elastic band: 1/4 inch durable and premium quality woven polyester fabric. Comes w/adjustable buckle cord locks made out of silicone. Sturdy and not easy to break.