Style: Folding type without valve
Material: High breathable elastic cotton cloth,Skeleton support material,Electrostatic cotton,Melt-blown filter material,100% cotton inner
Size: 12*13.5cm
Filtration level: KN95 (If you need other levels,we will customize it follow your requirements)
Color: Black (accept customize color)
Wear type: Ear-loop
Activated carbon: NO