2nd layer: N99 material, filters out fine particulate matter and provides significant additional protection.
3rd layer: cotton filter and lining, provides proper ventilation and moisture absorption.
4th layer: high-quality 100% pure cotton, which is comfortable and skin-friendly.
How to use: Stretch and unfold the mask with the nose bridge clip on top. Cover the nose and mouth with the mask, and hang the elastic bands behind both ears. Adjust the ear buckle to your desired fit. Use your index fingers to press the middle of both sides of the mask bridge to the nose to ensure that the mask is fitted and properly sealed around your face. When not in use, lay the mask flat and store it in a clean, dry and well-ventilated place.
How to clean: Soak the mask in hot water. Use your hands to gently agitate the mask. Hang the mask in a dry, well-ventilated place and allow it to dry naturally.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.