The mark consists of a stylized design of a person in a traditional Muay Thai fighting pose, enclosed within a circular border. The person is positioned inside a diamond-shaped graphic in the center. The letters "C" and "TB" are placed next to the figure inside the diamond. Surrounding the design, the text "CORNERSTONE" curves along the top of the circle and "THAI BOXING" curves along the bottom. Decorative elements resembling Thai traditional designs are placed on either side of the circle.
Color is not claimed as a feature of the mark.