The mark consists of the design of ten shaded blue, green and purple squares in two intersecting rows of five squares each running diagonally from left to right with the left side of the two joined rows being the highest point and descending to the bottom of the diagonal on the right; the word "GLASS" in stylized form, is shown one letter per square in the top row of squares, and the word "WORKS" in stylized form, is shown one letter per square in the bottom row of squares, with all of the letters in both words shown in dark gray with the exception of the first "S" of "GLASS", which is shown in green, the letters being distributed among the squares as follows: "G" inside a green square; "L" inside a purple square; "A" inside a dark blue square; "S" inside a light blue square; "S" inside a green square; "W" inside a dark blue square; "O" inside a light blue square; "R" inside a green square; "K" inside a purple square; and "S" inside a dark blue square.