... stone, it is not weathering and fading after windy, raining, sun-baked, snowy and freezing weather condition. Many ... years in history, they still show their original style and durable useness. Size300X300mm, 300X600mm, 400X400mm, 400X600mm, 600X600mm, ... 400X800mm, 800X800mm, 600X1200mmUP, 600X1800mmUP, and any other size.Thickness15mm, 18mm, 20mm, 30mm, 40mm, 50mm ...