... 3.Easy to installation 4.Easy to maintain and clean Grey slate stone:Slate tile is an tranditional kind product in ... for indoor and outdoor application and decoration;1)characters:durable, flexible, high compressive, beautiful color, frozen resistant,low water absorption;2 ... walkway, wall decor;3)Colors: black, blackrusty,yellow,tan, rusty, grey,green and so on;4)Surface Finish: split natural, honed ...