The 18" Highland Stone Freestanding Wall Rio is a high-performance hardscaping system that blends classic style with modern engineering. Featuring a rough-hewn, distressed texture and a virtual joint design, it delivers the look of multiple stone pieces in a single unit, perfect for retaining walls, garden borders, and outdoor patios. Its rear-lip locator system ensures quick, precise installation, and the system includes a coordinating cap for a finished appearance. Ideal for both various outdoor applications, this wall system supports gravity and freestanding wall builds with options for taller, reinforced designs.