Features: Improve adult child sleep habit, improve nighttime sleeping, with mouth strip, you can avoid waking up with a dry mouth, sore throat or nasal congestion. many studies shows that nose breathing leads to more blood oxygenation, more deep sleep, less snoring and more restful nights. our anti snoring mouth strips are the most effective way to ensure nose breathing while you sleep. How to apply: 1.wash and dry your lips or the skin surrounded. 2.remove the protective branded liner using the tapes. 3. close mouth, with both lips in full contact with one another. note - dirt, oil, sweat, dander, mustache, beard, moisturizer and makeup will sharply weaken the adhesive. 100% Safe: our mouth sleep strips for sleeping are made of professional grade adhesive and odor free. they are comfortable and easy to apply. sleep strips are relatively inapparent and ideal for using during travel. Promotes nose breathing during sleep - clinical studies show that nose breathing leads to more efficient blood oxygenation, more consistent deep sleep, less snoring and overall more restful nights. our strips are the simplest, safest, and most effective way to ensure nose breathing while you sleep. Package include: 90/180/270Pcs Sleep Strips