This is a 7-pack of Makrite N95 masks. These masks meet US NIOSH standards. They can be used to prevent inhalation of PM2.5, pollen, yellow sand, volcanic ash, infectious diseases, radiation, and viruses, as well as for aerosol infection protection and DIY dust protection. They offer stronger protection than general non-woven fabric masks, making them reliable in emergencies. ● Edge with a high-sealing flange ● Color: White ● Quantity: 7 masks Makrite Dust Mask 910-N95 Yellow Sand Pollen Volcanic Ash DIY