dark grey slate floor tiles and rustic green slate flooring tiles 1.manufacture 2.quality nature slate competitive price Regular-sized Slate:exterior wall slate tile or rough slate wall tilesStone Name Rugular-sized Slate Usage wall cladding,decoration Color yellow,black,grey,white,rusty etc Size(cm) 10x20 , 15x30 , 20x40 , 40x40 , 60x60 or according to your requirementThickness(cm) 1.5 , 2.5 ...