Suitable for: 3 years old - 15 years old 3D mask level respiratory protection, filtering efficiency up to 95%, mesh breathable composite fabric, suitable for all seasons.3-dimensional riding mask with three-dimensional filter, tight fit, anti-pollen,anti-smoke, anti-dust, anti-fog Mask. After safety-certified disposable multi-layer breathing mask helps prevent you from inhaling fine particles. It filters out dust, pollen, mites, grass clippings, pet hair, dandruff, beauty, wood, construction, mowing, flour, mold, drilling, grinding and more.. High-density non-woven fabric-nano filtration-N95 filtration-high-breathable non-woven fabric, which can prevent dust, car exhaust, pollen, etc..