Have two factories with nearly 200 employees and several mines ourselves, so we can supply you the high quality and the most competitive price for you. Finish: polished, flamed, chiseled, rough, honed, bush-hammered, sandblasted, natural Normal Size: 12" X 12" X 3/10" (305 X 305 X 8mm), 18" X 18" X 1/2" (457 X 457 X 12mm) 12" X 12" X 1/2" (305 X 305 X 12mm), 12" X 12" X 3/8" (305 X 305 X 10mm) For the details, please contact me directly: info AT .