Safe Material Mouth Stripes are made with a specially-engineered adhesive that allows you to easily apply and remove the strip without leaving any residue behind. The Harm of Mouth Breathing Many people get used to mouth-breathing sleep but few of them know the harm. Studies show that mouth breathing leads to bacterial inhaling, snoring, drooling, dryness of throat during sleeping, what's wore, long-time of mouth-breathing sleep will affect appearance. More Comfortable Odor free medical adhesive won't irritate your skin. And a central vent was added in the strip that allows limited mouth breathing. Sleep Strips is a safe and comfortable way to promote nose breathing. Provide Better Sleep Nose Sleep Tapes help you practice nose breathing, which 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.