Clear Patio Glass, various sizes of clear patio glass for sale starting at $20 and up per piece. They are 4 mm and 5 mm thick and 36 inches high. The sizes of glass are 1 @ 65 5/8" ($40), 1 @ 61" ($40), 4 @ 57 1/2" ($30 each), 2 @ 38 3/4" ($20 each).