Underwater Treasures brings you this wonderful line of natural wood ornaments to compliment your custom aquatic environment. Each piece is completely unique, allowing you to create underwater scenes just like in nature! Underwater Treasures wood is safe for use in freshwater aquariums. Enhance the visual appeal of your aquarium with these exciting decorations! NOTE: Pieces vary in shape and size within the dimensional range of the packaging, and are chosen randomly at time of purchase.