The Scranton Materials 10018 is a 12" x 24" x 1.5" Premium Bluestone Thermal Top Edge Paver. Pavers are used to pave driveways, walkways, patios, and other surfaces. Pavers are a very popular building material. Pavers are a great option because there are endless patterns, shapes, and colors that can be used to fit any need. This is a genuine Scranton Materials product.