1. Mouth protector: Mouth protectors can immediately relieve pressure by gently moving your chin forward. Soft materials allow you to easily enjoy the comfort and better sleep throughout the night. 2. Sleep is better than ever: achieving quiet and healthy sleep has never been so easy! It can also allow you to sleep with your mouth open or closed, thereby achieving oral breathing. You can even speak or drink water without removing it. 3. Working method: By gently pushing your chin forward, you can naturally broaden your airway, prevent tissue vibration, and eliminate noise that interferes with your sleep. This is the only braces that can provide natural chin movement, so you don't have to bite your teeth and sleep uncomfortable all night. 4. High quality material: Made of high-quality PC+EVA material, it is small in size, light in weight, low in allergenicity, reusable, and easy to carry. Maintain smooth breathing and bring you a peaceful and healthy sleep. 5. Easy to use and effective: give you amazing sleep. By using braces, you will get better night sleep, which will improve work efficiency throughout the day, enhance the immune system, improve exercise performance, and improve interpersonal relationships. Specification Material: EVA+PC Color: White Size: 8x3x8 cm Weight: 65 g Package Include: 1x Mouth GuardProducts from GuanGuan's store Note: 1.Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 172 hours Hope you have a pleasant shopping experience!