The colored rings are called ligating modules. They hold the wires into the brackets. Ligating modules can be fun. You can get them in all the colors of the rainbow and more! There are orange and black ligating modules for Halloween, red and green for Christmas and red or pink for Valentines day. Red, white and blue for the fourth of july. You can get ligating modules in your favorite colors, your school colors, your favorite teams colors or even your mom’s least favorite colors. Ligating modules allow you to make your braces match your personality. We even have glow-in-the-dark modules. Enjoy!