Swiss Mask (3 – Layer protection):Wearing it could effectively block out dust, bacteria, droplets, and air pollution, and then offer oxygen for you to breath comfortably and protecting your health.– Breathable and comfortable:Lightweight design, skin-friendly material, It won’t creat fatigue or stress to your skin.– Built-in adjustable metal nose-bridge stripDental clinic, Daily activities, such as Daily outing, House cleaning,…Package Contents: 50x Face Mask