The mark consists of the wording "Castillo Mayor" in black over a representation of a castle in light brown against a yellow background, all within a carrier consisting of a bottom line in dark brown, black, blue and beige on either side of a light brown rectangle outlined in black and red. The top of the mark is in the shape of a crest with a dark brown oval outlined in beige, yellow and black containing a design in beige and blue and a coat of arms in beige, dark brown, white, black and blue featuring blue wavy lines against a white background and beige squares separated by a dark brown diagonal line with a light brown and black scroll beneath it.