This is one of our custom artificial coral inserts. It has our standard eel cave base with assorted corals as shown. Measures 24”x15”x24” tall. The corals are fully affixed to the rockwork. This is a very realistic looking show piece for your aquarium.  We can change out the corals and make this taller or shorter if you like. Just give us a call. These are One of a kind. hand sculpted. call or email with any other questions. 1-888-637-6598 or oceanaquaria@gmail.com.Thank you very much!