FDA EUA Appendix A List Compliant and Certified - Homeland Hardware KN95 face mask is included on the FDA Emergency Use Authorization List, it is manufactured by Guangzhou Nan Qi Xing Nonwoven Co., Ltd., Each packaged contains (10) Nan Qi Xing KN95 Masks. | Tested By NPPTL (National Personal Protective Technology Laboratory on June 19th, 2020 with an Minimum Filter Efficiency of 99.81 and Maximum Filter Efficiency of 99.90 which can help protect you and the ones around you in a crucial and critical no matter the environment be it travel, shopping, working out, commuting or being out at the park. | 5-Ply Layers of Protective Filtration - Our KN95 mask are truly made of 5 layers with 2 non-woven outer layers as well as 2 melt-blown inner layers and a non-woven middle layer to absorb small moisture particles. These masks offer superior protection compared to cloth masks or standard 3-ply disposable masks. Be sure to use this mask according the manufacturers recommendation to avoid serious risk or injury. It is fully adjustable and made to fit any facial contour. | Built-in Nose Clip Insert For Added Security and Adjustability - Our masks come with a build in nose clip unlike other KN95 masks that have a nose clip glued to the outside of the mask, which helps the mask securely stay where it is supposed to without worrying about the mask falling off. | This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s. Thank you for supporting an US Based Small Business.