Benehal MS8225 N95 are NIOSH Certified disposable N95 masks that offer at least 95% filtration efficiency. The special elastic design keeps sure it's a comfortable fit. Invisible nose bridge to offer a proper fit. Foldable design for easy carry/storage. Buy with confidence! These NIOSH approved N95 masks have anti-counterfeiting codes to ensure you're getting a REAL N95 masks - not a knock-off that doesn't have the filtration you need!