The mark consists of four Zs in stylized letters; the first Z slightly rotated counterclockwise; the second Z being smaller than the first Z, positioned below and to the right of the first Z, and slightly rotated clockwise; the third Z being smaller than the second Z, positioned below and to the left of the second Z, and slightly rotated clockwise; the fourth Z being smaller than the third Z, positioned below and to the right of the third Z, and slightly rotated counterclockwise.
Color is not claimed as a feature of the mark.