A. Type: Sports Protective Gear B. Material: Food - grade EVA, non - toxic and tasteless C. Size: - Mouth guard: 6.5*5.5 *2cm - Box: 7*8.5*3cm D. Shape: bow E. Package includes: 1 * sports braces, including box F. Notes: 1. Different colors may have different product displays. This is a normal phenomenon, please understand. 2. Allow 1 - 2 cm measurement error. G. How to use? 1. Wash the new tray blank with soap to wash off the chemicals from factory items. 2. Immerse in boiling water and wait 30 seconds, and always check whether the mouth guard softens. 3. Put on the upper jaw and apply silicone under the lips. 4. Drain. 5. Align again. 6. The mouth guard is ready. It should be finished quickly when it is soft. If it has hardened but has not reached the desired shape, you can re - boil and shape it. In addition, if the right edge of the mouth guard is already suitable for you, you can boil the unshaped edge of the mouth guard. H. Specifications: Feature: High - density structure, strong and soft heated buckle design, better conforms to the shape of the user's teeth. The mouth guard can reach the molar surface of the tooth, which fits the surface of the teeth comfortably. Breathe smoothly. Will not damage the protective effect of the teeth during intense physical exercise. I. Suitable for: boxing, kicking, mixed martial arts, fighting, Sanda, Taekwondo, firefighting, jujitsu and other heavy sports