DekoRRa® Mock Rock™ 102-RB 27" x 21" x 25" Riverbend Brown. We're excited to present top-quality Mock Rock® artificial rocks made with our all-new textured material, RealRock™. This gritty , tough, and variegated rock-like surface is astonishingly realistic, and blends in with other natural textures—you truly have to see it to believe it. All Dekorra rock enclosures are made in the USA from recyclable materials. With RealRock™, not only do you achieve incredibly realistic aesthetics, but unmatched longevity in virtually any climate. In fact, this new material is so good, we've incorporated it into our entire product line. Very simply, it's state-of-the-art.