usage method<br>1. Open the mask and keep the skin dry;<br>2. Make sure the bridge of the nose is on top of the nose;<br>3. Hang the ear rope around the ear and adjust the position;<br>4. Adjust the size of the mask, unfold the mask up and down, and completely cover the bridge of nose;<br>5. Use both hands to adjust the bridge of the nose so that it is fixed on the nose, and smooth the periphery of the mask so that it covers the face<br>6. If the mask is too large, tie the ear rope to a proper length<br>