1Silicone material is safe, non-toxic, harmless, washable, reusable and soft to fit in the nostril firmly and comfortably. 2Relieving snore and nasal congestion to give back you and her a good sleep and smooth breath. 3Improving sleep apnea and allowing you to breathe healthy and fresh air without disturbing normal sleep. 4Helping correct your bad habit of breathing through the mouth to prevent upper respiratory infection and cold. 5Mini size with light weight will not add extra pressure to nose, which is convenient to carry as well.