Features: 1. Dust-proof and anti-fog headband type FFP3 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. Description: Close fit to prevent polluted air from entering. Effective protection from solid & liquid aerosols. Specifications: Material: non-woven fabric Color: white Filter effect: 99% Package Included: 1 * anti-fog FFP3 mask Notes: 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.