Features: 1. Complete 16-Piece Set – Each set includes 15 teeth whitening trays and 1 durable retainer case, providing plenty for daily use and replacements. 2. Safe & Comfortable Material – Made of high-quality EA silicone that’s odor-free and gentle on teeth and gums. The case is made of sturdy, approved PP that won’t break easily. 3. Multi-Functional Design – These reusable trays can be used for teeth whitening, grinding protection, and night guards. They adapt to most tooth shapes, stay in form, and help reduce noise during use. 4. Easy to Use & Portable – Simply warm the tray in hot water for about 15 seconds, then place it in your mouth—it molds to your teeth naturally. The compact case makes it travel-friendly. 5. Simple to Clean & Reusable – Rinse or soak in clean water after use. For best hygiene, replace every 3–4 months. Product Details: This dental splint set offers a practical solution for teeth whitening, grinding protection, and daily dental care. The trays are soft yet durable, fitting comfortably without irritation. The included case keeps everything organized and portable—ideal for home, travel, or on-the-go use. Specifications: - 15 × reusable teeth whitening trays - 1 × retainer case - Material: EA silicone (trays), PP (case) - Use: Teeth whitening, grinding protection, night guard