K&A Imports Stacked Stone in Beige, Extra Large Unique extra-large stacked-stone ornament in beige For aquariums or terrariums; salt- and fresh-water safe Interesting shape makes it fun for fish or reptiles to hide behind Designs come in 3 to 4 sizes that fit 5-gallon to over 90-gallon tanks Measures 13 by 8 by 10 inches