Key Specifications / Features Product name: Black Marquina Marble Model number: HMI-MC004 Size: 600 X 300mm, 300 X 300mm, 600 X 600mm, etc. Finish: polished, honed, etc. Thickness: 15mm, 18mm, 20mm Thickness tolerance: +-1mm Polishing degree: above 90 degrees Application: wall or floor decoration Package: fumigated wooden crates normally Further understanding is the first step to cooperation,please visit our website at http://www.hangmaostone.com to abtain more information.