1. Wash your hands before wearing a mask.
2. Hold the ear strap with both hands, put the darker side on the outside (blue), and the lighter side on the inside (white suede).
3. Put the metal wire side of the mask (a small hard piece) on your nose, pinch the metal wire according to your nose shape, and then pull the mask body completely to make the mask completely cover the nose and mouth.
4. Disposable masks are generally replaced within 8 hours and cannot be reused.
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