Random length dry stacked pieces of Slate-ish. Thickness of pieces is varied to create a bold textured look. Three width styles, Condensed, Medium, & Bold are available. Strips range in length from 1" to 24". Comes pre-mounted in 6"tall x 24" long panels (1 square foot) for faster installation. Panels can be screwed or nailed to wall in order to make re-use easier. Cuts with standard wood tools. Choose from light or heavy variation in profile variation. Available in raw unfinished or sealed in a water based satin or gloss finish.