Features:

5 Layers of Protection, stronger filtering effect and more breathable
Easy to Use: Hold the elastic bands over your ears and press the metal strip around your nose to create a light seal around your face
Black Face 50pcs: These can be used for daily protection;Not intended as a replacement for gas and medical
Disposable and cannot be washed Store in a dry and ventilated location 23DegF - 122DegF (-5DegC - 50DegC)