Safety material: safety standard mouth strap, does not damage the skin. Our strips are made with a specially formulated adhesive that allows you to easily apply and remove the strips without leaving any residue. An effective way to ensure nasal breathing: Simply use our mouth straps to effectively keep your mouth closed while sleeping. Our sleep cream is the simplest and most effective way to train your nasal breathing habits and ensure you breathe through your nose while sleeping. Dangers of mouth breathing: Many people are used to mouth breathing when sleeping, but only a few people know the dangers. Studies have shown that mouth breathing can lead to the inhalation of bacteria. Snoring, drooling, dry neck, dressing, and prolonged mouth breathing sleep will affect the appearance. BETTER SLEEP: A nasal sleep band helps you practice nasal breathing, resulting in more efficient oxygenation, more even, deep sleep, less snoring, and an overall quieter night. Warm reminder: Please do not use our mouth straps if you have: Breathing problems caused by your nose; Obesity (body mass index above 35); Severe chapped lips; Drinking alcohol or taking sedatives; Cold, sinus or ear inflammation; Severe heart or breathing problems, extremely low blood pressure.