1. The product is new and durable. 2. Features: - Specification: It has a high - density structure, being soft yet sturdy. - It has a heated snap - in design, which can conform better to the shape of the user's teeth. The mouthguard can extend to the back molars, providing comprehensive protection. - The grooves can fit the tooth surface, facilitating gentle breathing and not affecting the tooth - protection effect during intense sports. 3. Suitable scenarios: It is suitable for intense sports such as boxing, kickboxing, taekwondo, firefighting, and jiu - jitsu. 4. Type: Mouthguard 5. Material: EVA 6. Characteristics: It is non - toxic, reusable, can protect teeth, and is easy to clean. 7. Mouthguard size: Approximately 5.5 cm × 6.5 cm × 2 cm (approximately 2.17 inches × 2.56 inches × 0.79 inches). 8. Storage box size: Approximately 8.5 cm × 7 cm × 3 cm (approximately 3.35 inches × 2.76 inches × 1.18 inches). 9. Precautions: - Due to differences in light and screen settings, the color of the product may vary slightly from the picture. - Due to different manual measurements, slight size differences are allowed. 10. Package contents: - 1 mouthguard - 1 storage box 11. Special instructions: - Due to manual measurement, there may be a slight tolerance of 1 - 3 cm. - Due to differences among different monitors, the picture may not accurately reflect the actual color of the product.