Marble plaques are perfect for executive awards, hallmarking personal milestones, family portraits and even memorials. These black marble plaques have a classic elegance. The marble is highly polished with contoured edges and are approximately 5/8" thick. Available in 6x8, 7x9 and 8x10 inch sizes – laser engraving on these black marble plaques reveals a frosty white color with really impressive results. These plaques are all natural stone. Variations in color tone, depth, micro fractures and some white spots or veins are naturally occurring characteristics of real natural marble stone.