This aquarium decoration is a great way to add some natural beauty to your fish tank. It is made from a high-quality 3D printed material that is safe for both freshwater and saltwater fish. The design can be used to create a cave or other hiding place for your fish. It is is easy to install and can be buried under the substrate or hardscape for a natural look. It is also a great way to provide your fish with some extra shelter and security. The decoration is available in two sizes, small and large, to fit a variety of fish tanks.