This is it. The big time. The penultimate aquarium decoration. The Penn Plax Lost City of Atlantis Resin Replicas - Small. This awesome piece of underwater décor is supremely detailed and will definitely blow you away. Fish love to swim around it, too, even if they can"t appreciate its aesthetic brilliance. * Crafted from high-quality, durable resin * Designed for both fresh and salt water aquariums * Non-toxic and fish-safe * Provides fish with an obstacle to swim around * Dimensions: 9L x 7W x 6H in.