HIGHEST QUALITY - The mouthpiece is made of FDA-approved, BPA free and latex free materialNo side effects or allergies. Which will provide Comfort, Protection and Shock Absorption for up to 12 months. It also comes with a small box Reusable and easy to clean. and provides excellent dust and dirt resistance. Best Mouth Guard. 4 MOUTHGUARD IN 2 DIFFERENT SIZES - Both men and women with various teeth and mouth sizes and shapes are guaranteed to find the perfect fit with our moldable anti-teeth grinding dental night guards. It is suitable for absolutely anyone. PROTECT TEETH - We can wear mouth guard during sleep Prevent teeth grindingas a night guard which stops grinding while we rest easy .Protects you from teeth grinding at night,protect dental healthand improve you and your lovers sleep quality so that everyone in the family can have a good night's rest. PRACTICAL AND SIMPLE - Just boil in water and bite the bite to form a comfortable bite to customize the bite, then put it in the mouth, the effect is very good. Easy step-by-step molding instructions & durable travel case included.