Comfortable face mask with test report from the National Textiles and Garment Quality Supervision Inspection Center confirms attests that these masks perform better than 97.5% masks. To use: 1. Blue colour face out, white colour face in. 2. The side that the loops are attached to is the white face in side. 3. The metal strip should be at the top on the face mask. 4. Pinch the metal strip tightly against the nose. 5. Open pleat fully to cover face This is a general use face mask. This mask is neither a medical device, nor personal protective equipment. It is not intended for use in healthcare settings and it is not proven to reduce the transmission of disease