By opening the nasal passages, Rhinomer by Breathe Right nasal strips improve airflow, providing instant relief from nasal congestion. Rhinomer by Breathe Right nasal strips do not contain medications and it is clinically proven that by opening the nasal passages they allow for 31% more airflow. The Rhinomer by Breathe Right strips are two patented flexible plastic bands. The special adhesive allows the strip to comfortably adjust over the nose flaps and its flex action allows the bands to raise the nasal passages opening and keeping the nasal channels open. Rhinomer by Breathe Right strips can be used during the day or at night for relief from nasal congestion caused by allergies, colds, snoring, or deviated septum, but should not be used for more than 12 hours per day.