Features: -Wide range of applications: Teeth guard for night grinding are suitable for molars, athletes and people who want to whiten their teeth. -Replaceable: Teeth whitening tray for night grinding is reusable and replaceable, easy to clean easy to deform. Just need to soak it in clean water. -Easy for DIY: Put the teeth guard for night grinding in hot water(70 degree C-80 degree C) for 5-10S, then the guard can be customized the suitable size, and can be completed at home. Note: Soaking in boiling water for too long may cause excessive shrinkage of the dental tray.Tooth whitening kit. How to Use? 1.Put the teeth guard for night grinding in Boil Water for about 5-10 seconds. 2.Place tooth whitening kit for night grinding in cold water for 2-3 seconds. 3.Remove from water, Put in your mouth.✓Super Value Package: You will get 8 teeth guard for night grindings It's perfect for your teeth whitening and protect teeth. We can protect teeth in an all-round way,teeth whitener. ✓Easy to use: Place the teeth guard for night grinding in warm water for 5 - 10 seconds, Soften with hot water. Place it into your mouth and bite down onto it so that it conform to the shape and contour of your teeth and mouth.Note: Soaking in boiling water for too long may cause excessive shrinkage of the teeth whitening tray. ✓Widely Used: Wear during sleep as a night guard, Protects your Teeth while playing sports, Teeth Protector can also be used with teeth whitening gel to whiten your teeth. Mouth trays are suitable for Anti Snoring, molars, tooth whitening,whitening teeth purely and is conducive to dental health, reducing noise and improve sleep quality. ✓Reusable: Our teeth guard for night grinding are reusable, after usage brush with your toothbrush, toothpaste, Rinse, dry, and store. The normal use time of the mouth guard is 3-4 months, please replace it in time. ✓Reliable material: Teeth mouth guard for teeth grinding is made of silica, safe and soft, durable and reusable, with high fit, can provide comprehensive oral protection,teeth whitening, offering you a comfortable experience.