【Product Structure】It’s made up with mask ,nose clip and elastic band.The inner layer and outer layer of the mask are mainly made up with PP non-woven materials;The middle filter layer is made up of polypropylene melt blown non-woven fabric;nose clip is made up with aluminum strip;the mask band made up with elastic polyester fiber.  【NOTE】 1. This product is only suitable for filtering particulate matter in air pollution environment in daily life.  2. Please check the integrity of the package before use. If the package is damaged, it is forbidden to use it  3. The mask should be replaced in time. It is not recommended to use it for a long time  4. If there is any maladjustment or adverse reaction during wearing, it is recommended to stop using  5. When the concentration of fine particles in the air is greater than 500 μ g / m3, it is suggested to reduce outdoor activities 6. The recommended use time of the mask shall not exceed 8 hours 7. This product is not suitable for children or other special use respiratory protective equipment 8. Destroy the mask after use or dispose according to local regulations
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