The mark consists of the word "ZELKO" represented in stylized and capitalised font. The design consists of the graphic representation of the letter "O" which is represented by a circle with a gradient outside border. In the inner part of this circle object, in its center, is depicted as an abstract stylized object in a rounded-spiral shape made of curved lines. The background of the mark is textile texture and the left top and right down corners are shaded.
Color is not claimed as a feature of the mark.
The wording "ZELKO" has no meaning in a foreign language.