High Quality & Safety: This model of KN95 face mask is included on FDA Emergency Use Authorization(EUA) List. It's of high quality and safety, which can be used in confidence | Upgraded Packaging: This package includes 30 individually wrapped KN95 face mask, which can avoid the pollution caused by touch when taking the mask. Can be perfectly placed in your backpack, purse and pocket. Convenient to carry and use. | 5-Ply Protective: This KN95 mask is made of 2 non-woven outer layers, 2 melt-blown inner filter, 1 non-woven cotton middle layer absorbing the moisture. This 5-Ply mask is designed to offer more protection than a standard disposable 3-Ply mask. The minimum filter efficiency is 98% which is tested by NPPTL, greatly keeping you from dust, PM 2.5, haze, smoke, automobile exhaust, etc. Perfect For families, office staff, warehouse workers. | Comfortable & Breathable: High-elastic ear loops and adjustable nose clip to ensure a comfortable fit and no strain of ears. It's lightweight and foldable, can cover mouth, nose and chin easily. Creates a tight seal & stops glasses from fogging. | Topnotch Service: Please confirm if package and products are completely as soon as you receive the KN95 masks. We provide a three-year effective warranty. If you have any doubts, we are always here to help you. Disclaimer: This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s.