• Comfortable to wear, with adjustable aluminum nose clips to fit the face for greater compactness 

• Breathable air with high quality fixed cup for more comfortable breathing 

•  US standard N95 filter material, high-efficiency filter particulate  matter 

• The back of the aluminum nose clip has cotton padding, making it very comfortable to wear 

• Head Band:PU elastic Material 

• Packaging:300 pieces per box (30 X 10 boxes per box)