A simple and easy way to prevent snore to enjoy endless nights of peaceful sleep. Great gift for a friend who snores with a beautiful Mirror Lid protection case. Non-toxic and tasteless, to breathe better Material: Silicon How does it work? The magnets inside the nose clip help open the nasal passage which helps prevent snoring! When you sleep the mouth and throat muscles relax. Sometimes the tong ye drops and the vibration of the uvula during the breathing cycle translates to snoring