Soomshi-Go KF94 Mask (Black, White) -High Filtration Performance, KF94 -Stylish appearance in Black and White -MB filter 100% manufactured in South Korea -3D ergonomic design to fit perfectly on all face types **KF94 Mask had comparable **Filtration performance to N95,KN95, FFP2 **SOOMSHI-GO Mask has passed all tests by KF certified facility and acquired KF94 level **It blocks over 94% of micro particles (avg size of 0.4m), and protects respiratory system from dust storm, micro dust, hazardous particles, and virus