Bring a prehistoric look to your yard with the Precambrian Cover Rock. The square-like shape of this artificial rock is perfect for camouflaging your utility boxes or irrigation valves. This rock fits over any item smaller than 20" x 36" x 18" to keep your lawn free of clutter. Place just one over your meter, or use several in a grouping for a more deliberate effect. The straight sides and wide top are accented by uneven ridges and lines throughout the item, for a more realistic look. The unique coloring system retains its brown fieldstone hue for years, and the polyurethane construction is resistant to freeze/thaw environments. Add a timeless feel to your lawn with the Precambrian Cover Rock. As each finish is hand applied, individual items may vary. . . Note: Interior dimensions may vary slightly due to the manufacturing process.. . Overall Dimensions: 29"L x 41"W x 22"H. Interior Dimensions: 20"L x 36"W x 18"H. Mounting: place on ground. Construction: polyurethane