Style: Folding type with valve
Material: PP non-woven,filter,nose clip,ear-loop,valve
Size: 9.5*11.5cm (for Kid use)
Filtration level: KN95 (If you need FFP2 or FFP3 standards,we will customize it to your needs)
Color: White (accept customize color)
Wear type: Ear-loop or head hanging
Activated carbon: NO