The mark consists of The word, "nontoxic" with the "o" in "non" replaced with a circle and diagonal line through the circle, often associated with the meaning, "prohibited," and the "o" in "toxic" replaced with the image of a skull with the left eye of skull smaller than the right eye to imply winking. The word nontoxic, with the stylized changes as detailed heretofore, is further embellished with a rectangular box outlining the entire word, "nontoxic" and the text of the "toxic" portion of the word is set in a shaded or colorized background. The word "nontoxic" is set in capitalized font.