[Easy and quick solution for aquascaping; Just put the model into the tank adjust the spacing you like and a set of professional-grade fish tank landscape is completed. The bottom is sealed to avoid the accumulation of harmful substances such as fish feces in the tank. Utilizing the multiple coats of paint and baking process Allcolor Aquarium god cave models make you experiencing richer and more natrual feelings. "Whether its a fresh water tank or a sea water tank you can use it. Even if you put it as a background decoration in the display cabinet at home it is not inferior to other decorations." The length of the product: 9.4 inches (24cm) height: 9.8 inches (25cm) width: 5.5 inches (14cm).Please check the height ratio of the fish tank before purchase.]