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 for those who wear glasses. It is more painful and they must constantly wipe the mist of glasses . This product perfectly solves the above problems. It is easy to wear, perfectly shields external droplets, breathes smoothly, and does not have a dull feeling for a long time.