Double Sided Aquarium Background 19″ x 48″ (50cm x 120cm) Deep in Rock or Natural Plants Themed. Make your aquarium fish tank come alive with Aquarium H2o’s Reversible Backgrounds. These stunning background images come in high definition to allow personalization of your tank. Choose between colors, natural settings, rock beds, reptile or woodland scenes, and all are made from waterproof material that is perfect for either salt or freshwater aquariums. Best of all this product is reversible, giving you options when it comes to beautifying your aquarium. It can be adjusted to fit most tropical aquarium sizes. It is not self-adhesive, requires tape (not included). Easily set, easily removed. You can quickly cut the sheet according to your tank’s requirement in the desired shape and size. Enhances the ambiance of the tank. Cleans easily with water.