River Rock Artificial Garden Stones These decorative landscape rocks are made of high density plastic resin and are perfect to add beauty and definition to any landscape design or to hide unsightly elements such as well covers pumps pipes or sprinkler valves. Made out of a heavy duty and realistic-looking resin the River Rocks are very durable, but lightweight and easy to install. Be creative around your garden and lawn. Features: Covers wells, pipes, sprinkler valves, electrical wires and much more Lightweight design to easily lift into place and install Creates a nice garden accent Item Specifications: Dimensions: Small: 14"H x 14.8"W x 11"L Medium: 16.5"H x 20.25"W x 15.5"L Large: 19"H x 25"W x 18.3"L Please Note: The measurements listed are very close. However, these rocks are not perfect ovals or circles so the back of the rock is wider than the front. The same rule applies for the width and depth. The rocks become more narrow towards the top. Please consider these variations when ordering.