This is the XLG Table coral  measuring 17x14x4 inches high. These are made of a durable, flexible and nearly unbreakable UV stable polyurethane composite safe for all aquariums. Many colors to choose from. Thank You and enjoy the finest artificial corals ! We make all the corals in house. Call or email us anytime with any questions at 1-888-637-6598 or oceanaquaria@gmail.com