Features: 1.Dust-proof and anti-fog headband type FFP2 mask with valve. 2.Elastic ear-loops with no pressure to the ears. 3.With exhalation valve, allowing smooth breathing, reducing heat and moisture accumulation. 4.Electrostatic filter material, effectively protect the mask of PM2.5. 5.Close fit to prevent polluted air from entering. Effective protection from solid & liquid aerosols. Product Description: Material: non-woven fabric Color: white The Package included: -1*Mask with valve -2* pm2.5 filter elements Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.