FDA and CE certified Fits all adult faces Features 2 comfortable elastic earloops Material: Non-woven, meltblown filter material Expiration Date: 2 years Date of Manufacture: March 2020 95-KNs are nearly identical to 95-Ns. They filter out 95% or more of particles. Do not expose to sunlight for a long time, as it reduces the efficacy of the filter material. Recommendations for protection: This product is highly recommended for individuals who are sick, or high-risk individuals who are near sick people according to the CDC. Viruses are spread through droplets and surfaces. Even talking releases tiny droplets. Wearing a cover helps prevent infecting others and yourself. Never touch the inside of the cover as viruses can be spread through surfaces. As of April 3, 2020 the FDA has fully approved 95-KNs to be used in the USA