Back to: Dublin Dublin DU-67 Slate Rectangular Sizes (all sizes are approximate) 3 ` 6 `` x 5 ` 6 `` 5 ` x 8 ` 8 ` x 11 ` 9 ` 6 `` x 13 ` Round Sizes 9 ' Round Material Polyester Pantone TPX 12-0104 White Asparagus / 17-1327 Tobacco Brown 13-4108 Nimbus Cloud / 17-5102 Griffin 17-4402 Neutral Gray Pantone colors are for general reference only. 18" sq. samples are available for more accurate color reference.