Reusable Anti-Smog mask, PM2.5 Wind And Smoke Anti-Pollution Respirator Selling point: The replaceable activated carbon filter can remove most of the smoke, pollen, haze, chemicals, etc. This mask will help you breathe in a cleaner and healthier way. The earrings are easy to adjust, so the mask fits your nose and mouth perfectly. The size can be adjusted to suit most people's head types. There is a nose clip that can be shaped to increase the sealing effect of the mask and prevent the glasses from fogging when breathing. This mask can be used to protect you from harmful dirt particles, PM2.5, vehicle exhaust, wood products, pollen allergies and smoke. It is ideal for people who are at risk of respiratory diseases and live or travel in areas with high air pollution/smog levels. The mask shell can be washed when it gets dirty, and the filter is replaceable. feature: Material: Cotton Color: black Gender: adult Size: One size note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Package Contents: 2 x mask 4 x filter