The mark consists of the uppercase letter "T" in white on a red background, followed by the uppercase letter "W" in gray on a white background, followed by the number "3" in white on a black background, all inside a black rectangle, with a red, black and white border that begins on the left side with short diagonal black lines on white, continuing to the top of the rectangle, followed clockwise by a thinner red line along the top of the rectangle, followed on the right side by short red diagonal lines on black and continuing to the bottom of the rectangle, then followed on the bottom of the rectangle by a thin white line on black.