Charcoal Pencil Ledger L-Panel 6 in. x 18 in. Wall Tile is a Natural Stone Slate with gray tones , is designed for use around corners. This complements a wall install of similar ledger panels and helps finish the corners. The tile features thin random strips of stacked stone glued together for ease of installation. This tile can easily be laid in a pattern or single layout and is suitable for residential and commercial installations. Note: Natural stone products inherently lack uniformity and are subject to variation in color, shade, finish, etc. It is recommended to blend tiles from different boxes when installing. Natural stones may be characterized by dry seams and pits that are often filled. The filling can work its way out and it may be necessary to refill these voids as part of a normal maintenance procedure. All natural stone products should be sealed with a penetrating sealer.