What are braces? a. Braces provide a medium for teeth to bite together, allowing the mouth muscles to exert force. The force naturally generates a counterforce, offering protection. It's not about who protects whom; Why put on the braces? a. Most people’s teeth are upper teeth covering lower teeth; underbite conditions are not very common How to prevent damage to lips? A majority of injuries to lips during exercise are caused by teeth. During the use of braces, the upper and lower teeth bite onto the braces, so there are no healthy teeth to harm the lips anymore. :) The packaging is as shown below, with a cardboard box sealed in plastic, containing a retainer box for easy storage after use There are 5 colors to choose from Braces are available in sizes S and L Size S: Suitable for adult women/teenagers and children Size L: Suitable for adult men.