blue limestone, tumbled, antique looking. Size : 15x15,20x20cm,30x30cm, 40x40cm, 50x50cm, 60x60cm blue limestoneFinishing: honed, flamed, flamed and brushed, fine picked, azded, tumbledSize: 10x10cm, 20x20cm, 30x30cm 40x40cm, 40x60cm, 30x60cm, 50x50cm,60x60cm, 80x80cm, 100x100cm or as customer's requestThickness: consider the finishingQuary: we have the quary in Shandong blue limestone