... water absorption;2)Usage: a great choice for patio, garden flooring, and walkway, wall decor;3)Colors: black, blackrusty,yellow,tan, ... surface; bottom side calibrated treatment;5) Various products for choice: wall ledge panel, stone veneer,floor tile,flagstone,stackstone, ... . slate paving tiles multi-color slate tile, 60x30cm black slate floor tiles rusty color slate tilesGreen slate tilesrandom slate ...