APPLICATION AREAS: Suitable for covering the mouth, nose and lower jaw. It can block the mouth and nasal cavity from pollution. As effective physical barrier, it can keeps you away from kinds of exhaled or expelled pollution in daily lives and work.
Use: 1. Open the mask with the side with the nose clip facing up. 2. Adjust the metal bracket to the bridge of the nose so that it fits as tightly as possible. 3. Pull the mask down over your chin. The mouth and nose must be completely covered to be effective.
Scope of Delivery: 50 pcs disposable medical mouth masks in a carton.