SubliSlate™ Square Plaque, 7.8" x 7.8". Sublimation GLOSS, with black display feet. Smooth, machined sublimatable slate, each with unique fractured edges. Slate can vary in size by up to -0.4". These plaques make exciting photo presentations. Our slate is a natural, hand cut material and imperfections in shape, size, and coating are to be expected.