When you sleep the mouth and throat muscles relax. Sometimes the tongue drops and the vibration of the uvula during the breathing cycle translates to snoring. The magnets inside the nose clip help open the nasal passage which helps prevent snoring! Features: Brand New and High Quality Safe, convenient and reusable Applicable to any shape of nostrils Get a decent snore-free night's sleep Eliminate or relieved snoring effectiveness Fits gently into nostrils, holding them wider apart and making breathing easier and quieter Make nasal cavity unlocked and breath smoothly, removing nasal obstruction and increasing the flowing of air Relieve the burden and pressure of respiratory system and circulatory system caused by hypoxia Change the habit of oral respiration during sleeping and prevent upper respiratory infection Package Included: 1pcs x Magnetic Nose Clip + Plastic travel case Caution: Do not Swallow magnets. The attraction of magnets in the body may cause serious injury and require immediate medical care. Notice: 1. Clean it daily after use with mild soapy water and air dry 2. It may take three days to a week to adapt using the device.