Color: Black Includes Mouthpiece Creation Instructions A new type of thin mouthpiece unlike anything before! It fits securely, doesn't come loose, doesn't feel constricting, and is easy to use because of its unobtrusive thickness! To make it, put it in boiling water for about 10-15 seconds. Once it stretches slightly and becomes soft, place it on your teeth, adjust it, and bite down lightly to fit. It's easy! If it doesn't fit perfectly the first time, repeat the process until it does! As a special bonus, we're including mouthpiece creation instructions for first-time users! Suitable for everyone from beginners to advanced users, and can be used for various sports! When your bite is aligned, your physical ability and strength will increase, and you can expect improved sports performance! Mouthpiece Mouthguard Sports Martial Arts Mixed Martial Arts MMA ufc Bellator ONEFC RIZIN Pancrase deep Shooto Judo Wrestling Boxing Kickboxing Rugby Jujutsu Weight Training Weights Basketball Plastic Case Mouthpiece Case Mouthguard Mouthpiece