Keep unsightly objects like low-profile septic tank risers, irrigation control valves, and small outdoor electrical outlets covered with this artificial landscape rock. This fake rock cover can be secured to the ground using the included metal stakes. Simply push each stake through the hole at the bottom of the artificial rock cover and into the ground to keep it firmly in place. The septic cover rock is made from weather-resistant polyresin to last for years in your backyard or flower bed. It features a textured finish, neutral color, and irregular shape for a natural appearance that blends in with any outdoor area.