The mark as shown in the attached drawing is lined to designate that the word "GREEN" is colored yellow, the letters "FLEX" are colored white, and that the letters "XXXXX" following "FLEX" are colored in shades of gray, with the gray shadings being very light with the first "X" after "FLEX" and becoming darker in the adjacent "X" to the right, and so on, with the rightmost "X" having the darkest shade of gray. The designated colors and color shadings are features of the mark. GREEN FLEX