Multi Purpose: Bruxism, teeth grinding, sports, teeth protection for athletes, and whitening tray. Suitable for kids, youth, and adults who clench or grind their teeth during the day or night. These guards are an ideal solution for nighttime and daytime use. Comfortable: The ultra-comfortable guard can be used as a dental protector, teeth whitening tray, and sports mouthguard. Designed to fit a variety of teeth alignments, tooth sizes, and mouth shapes for optimal comfort. Safe: Made from long-lasting, soft, comfortable, and safe materials. The sleep mouth guard provides a secure, form-fitting fit and durable protection for the entire mouth. Easy to clean for repeated use and includes a storage case to prevent dirt when not in use. Easily Moldable: Custom moldable to the unique shape of any mouth. Balanced thickness and comfort provide adequate support to help prevent teeth grinding. Offers stabilization for maximum protection. Enjoy Peaceful Rest: Ideal teeth grinding mouth guard for sleep. Stays in place and remains low-profile for comfortable wear. Provides a cushioned barrier between teeth to help stop grinding and clenching during rest. Specifications: Material: Thermoplastic copolymer Color: Clear Size (approx): 2.48 in x 1.97 in How to Use: 1. Heat 70–80°C water and pour into a clean dish. Let cool for 30 seconds. 2. Hold the tray by the tab and submerge in hot water for 3 to 5 seconds to soften. 3. Place the softened tray in your mouth and bite down, pressing it against the front of your mouth with your fingers. 4. Remove the tabs and mark the tray for the set of teeth it has been molded to. Repeat for the other tray. Package Included: 12 pcs teeth whitening trays Note: The trays will be warm when placed in the mouth. Handle with care. Features: Multi Purpose, Comfortable, Safe, Easily Moldable, Durable