[Mouthguard for Grinding and Clenching Teeth]-- Our mouthguards are perfect for teeth grinding, sports teeth protection and teeth whitening trays. Whether you are a child, teenager or adult, if you clench or grind your teeth and want to protect them, our mouthguards are for you. [Safety]-- Made of high-quality materials without BPA. Known for its many beneficial properties, our products are soft, flexible, comfortable, easy to reshape and durable. [Comfortable to Use]-- The ultra-comfortable mouthguard can be used as a teeth guard, teeth whitening tray and sports mouthguard. It can adapt to various tooth arrangements, tooth sizes and mouth shapes for optimal comfort. [What's Included]-- Our mouthguard set includes 4 mouthguards: 2 different sizes of high quality and design, a teeth retainer box.