The color(s) dark gray, light gray is/are claimed as a feature of the mark.
The mark consists of the word smart and walls written in a light gray color, the word smart is in the background and the word walls is in the foreground to mimic the telescopic concrete walls, which is the product that the mark represents. There are indents on the letters 's','m','a', and, 't', as they appear in the word smart and 'w', and 's' as they appear in the word walls. The words smart and walls are set against a dark gray background. The bottom of the mark depicts a light reflection of the word walls to mimic the wall standing in water.