This is a beautiful background poster for your aquarium fish tank. It is made of easy to clean and durable PVC, selfadhesive design, you can attach it to the surface of fish tank easily.Features Made of high quality PVC, waterproof, easy to clean and durable. Thickened decoration paper is high quality and not easy to fade. HD image with bright color, the background poster looks very beautiful and fantastic. Selfadhesive design, easy to attach the decoration paper to aquarium fish tank. Beautiful background poster will decorate your fish tank perfectly.Specifications Condition 100Percent Brand New Material PVC Color Colorful Optional Size Approx.61*30cm.24.02*11.81inPackage list 1 * Fish Tank PosterInstallation 1. Firstly clean the fish tank on the back of the glass, and then spray a few of water with liquid detergent on the glass uniformly or wipe with wet cloth.(to reduce the viscosity of the glue) 2. Tear off surface protection film of background, and start to attach slowly. If it appears bubbles, you can rip it off and spray some water at the bubble and then paste it again. 3. After putting it on, use the scraper or touch to check if there are any air bubbles. If there are any air bubbles, you can use the needle to puncture them or use the scraper to squeeze out and smooth them. 4. If the water is not squeezed thoroughly, the glue will turn white after being taped, use hair dryer to dry it and then affix it and smooth it.