1、Correct Teeth: You can use orthodontic braces to train and correct crowded and irregular teeth. Simple and practical dental tools for teenagers and adults. 2、Helps Improve Face Shape: If you insist on wearing it, it can improve the shape of the face and promote the normal development of the jaw. 3、Fit And Protect Teeth: The grooves design can fit the tooth surface well, so that you can breathe normally and protect your teeth during exercise. 4、Suitable For Sports: Dental brace can be used in various sports to relieve the impact on the teeth, improve the anastomosis of the teeth, and more closely fit the curve of the gum. 5、Prevent Injuries To The Mouth And Teeth: Prevent intraoral lacerations, increase strength, improve performance, protect teeth and prevent injuries. Material: Made of sillicone material, safe and eco friendly, non toxic. After long time use, it will keep the original color and will not turn yellow.