The color(s) black, yellow, green, blue, and white is/are claimed as a feature of the mark.
The mark consists of a black and yellow checkered circle with a black outline, over the checkered circle the words "Taxi Drivers" in green, over the checkered circle, the number "4" in blue with a black outline over the checkered circle, the word "clean" in white with a black outline over the checkered circle, and the word "water" in blue with a black outline over the checkered circle.
TAXI DRIVERS FOR CLEAN WATER