Ideal Hide-away Home For Aquatic Pets And Terrarium Critters. A Natural Display Of A Poly-resin Log Cavern And Artificial Plants. Safe For All Freshwater And Marine Aquariumjungle Florals Series Are Safe For All Freshwater And Marine Aquarium.Blue Ribbon Exotic Environments Log Cavern with Plants 9 x 5.5 x 5 inches. Skillfully hand-painted in realistic colors, creating an underwater sea-scape of natural looking beauty. Safe for all terrariums and aquariums, freshwater or saltwater.