The item is unopened, although it has been opened for photography. This mouthpiece efficiently supports clenching when exerting force on the body while protecting the molars! High fit is achieved without the need for molding☆ Comes with a dedicated case. Do not use for purposes other than those intended. G-tec Volcanic Mouthpiece BATTLE STUDIES GEAR [Precautions for Use] When opening and using for the first time, wash with water or lukewarm water and a mild detergent before use. When starting use, use for about 1-2 hours as a guide, and check for any discomfort or pain. If there are no problems, gradually increase the usage time. Do not use when drinking alcohol or when you are very tired, as there is a risk of accidental ingestion. Also, if you feel there is a possibility of accidental ingestion, do not use. Keep out of reach of infants and young children. If you have any oral diseases, please refrain from using. Do not use for purposes other than those intended. If you feel any discomfort or pain during use, discontinue use. Be careful as excessive force or scratches from nails may cause damage. If damaged, stop using. If you cannot secure this product due to the condition of your teeth or dentures, you cannot use it. Check the bite pad for detachment after each use. Do not share to prevent infections. Those under 18 years of age should consult with a parent or guardian before use. After use, wash with a mild detergent and water, let it air dry, and store it in the dedicated case. Using a toothbrush makes it easy to clean the details. Store hygienically and avoid direct sunlight and high temperatures and humidity. [Product Features] Bite Pad The bite pad allows for 3-stage position adjustment while checking the bite. Soft silicone material is used. If you are concerned about overlapping teeth, pinch the front part with your front teeth. Reduces the burden on the teeth. * You can use it without pinching. ■ Product Name: BATTLE STUDIES GEAR G-tec Volcanic Mouthpiece ■ Material: Silicone "Battle Studies" ◎ Nakibokuro / Kodansha