Product name: Anti-fog mask Use scenarios: office, warehouse, home, kitchen, high-speed rail, airplane, etc. 1: Wearing masks for a long time will cause suffocation and hypoxia, and ears will have obvious scratch marks. Especially when wearing a mask when working in the office, it will become a burden. Especially those who wear glasses will be more painful and need to wipe the glasses constantly Mist. 2: This product perfectly solves the above problems. It is easy to wear, perfectly shields external droplets, and breathes freely. It will not have a dull feeling for a long time. Even if you wear glasses, you can use this product at the same time. This product can be worn on the outside of a mask to provide a layer of safety protection when riding a high-speed rail or in a tight space on an airplane. 3: The product is full of modernity, making protection a fashion! Package includes: 1 * anti-fog mask