The mark consists of the words PREMIUM and CYLINDERS with the word PREMIUM being positioned above the word CYLINDERS and a stylized letter D, wherein the left side of the letter is formed by five diagonal lines, and the word DEXTER is positioned below the stylized letter D and the five diagonal lines, and the stylized letter D and the word DEXTER are together positioned to the left of the words PREMIUM and CYLINDERS.
Color is not claimed as a feature of the mark.