[Mouthguard for Teeth Grinding and Clenching] - 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 bite guards are the best choice for you. [Safety] - Made of high-quality materials that are BPA-free. Known for its many beneficial properties, our products are soft, flexible, comfortable, easily reshaped, and durable. [Comfortable to Use] - The Ultra Comfort Mouthguard can be used as a teeth guard, teeth whitening tray, and sports mouthguard. It can be adjusted to fit a variety of tooth alignments, tooth sizes, and mouth shapes for optimal comfort. [Custom Fit] - The Night Grinding Mouthguard is available in two sizes: small and large, each with 4 pieces. Follow the installation instructions for a comfortable, customized fit and maximum protection. [What's Included] - Our mouthguard set includes 8 mouthguards: 2 different sizes, high quality, well-designed, and a teeth retainer box.