Extra light soft cotton, adjustable and contour near the nose area for perfect fit, triple-layer Microbe filtration system, bacterial filtration efficiency 95% with N9 anti-microbial finish for the inner layer that, keeps your mask always fresh, protects from microbes, pollution and dust, comes in a flat fold design in a secure, sealed pouch, contour & fit retention after washing cycles, minimal eyewear fogging, easy wear & low heat build up, completely sterilized for your used, washable up to 30 washes and reusable.