Crafted with a rough-hewn face and earthen colors, the Aspen Stone® concrete block retaining wall system is ideal for building a stone-look retaining wall that is timeless in both durability and beauty. Lightweight and easy to handle, the Aspen Stone retaining wall system is the perfect choice for walls up to 2 feet high. Perfect for planter rings, raised gardens, terraces, this product also features our patented rear-lip locator for quick and easy installation.