Bodyguard N99 PM2.5 Anti-Pollution Face Mask with Activated Carbon & 6 layers filtration is designed to help provide quality, reliable respiratory protection. The mask has activated carbon to filter impurities of Air & uses a variety of features to meet your respiratory protection and comfort needs. The breathing valve helps in better exhalation. Use Bodyguard Anti-Pollution Face Mask for protection against dust, odour, pollen, toxins and PM2.5 particles. This product is suitable for kids.