How to use: 1. Soak the silicone strip in hot water to turn it into a transparent color. 2. Take it out and put it on the braces. 3. Put it in your mouth and squeeze the swelling glue with your hands. 4. The swollen glue will plasticize and cure successfully. 5. If you are new to this type of tooth, it may take a few tries to get the hang of the installation process. Warm reminder: 1. Cosmetic teeth are only to help you improve the appearance of your teeth instant, please be careful not to use this product while exercising, smoking, eating or drinking hot beverages. 2. Do not wear it for more than eight hours at a time. 3. Take it off when you sleep or feel unwell. 4. Children should not use.