Teeth Grinding and Clenching Mouthguards - Our mouthguards are perfect for teeth grinding, sports use, and as teeth whitening brackets. Whether you're a child, teenager, or adult, if you have a habit of clenching or grinding your teeth and want to protect them, our bite guards are the ideal choice. Safe - Made from high-quality, BPA-free materials. Known for its many beneficial properties, our products are soft, flexible, comfortable, easily reshapeable, and durable. Comfortable to Use - This ultra-comfortable mouthguard can be used as a teeth guard, teeth whitening bracket, and sports guard. It adjusts to various tooth alignments, tooth sizes, and mouth shapes for optimal comfort. Custom Fit - The nighttime teeth grinding mouthguard is available in two sizes: small and large, with four pieces in each size. Follow the fitting instructions for a comfortable, customized fit and maximum protection. What's Included - Our mouthguard set includes 8 mouthguards in 2 different sizes and designs, along with a retainer case. Our products are made from the highest quality materials and are designed to provide you with the best user experience. We strive to ship all orders within three days of purchase, with an estimated delivery time of 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure it meets your needs.Note: 1. Due to different monitors and lighting effects, actual colors may vary slightly from the image.2. Due to manual measurement, please allow 1-3 cm deviation.