Give your aquarium an attractive look and feel with the Juwel Background Poster 1. Printed on both sides, this double-sided poster lets you choose either a planted underwater landscape on the front or a rocky reef theme on the reverse, so you can style your aquarium as you wish. These highly effective backgrounds are simply applied to the back of your aquarium. For a particularly light, three-dimensional effect, we recommend fixing with Juwel Poster Fix. Why Choose A Juwel Background Poster? Two Attractive Designs: Switch between either underwater scene to suit your aquarium. Waterproof Film: Apply the poster to the rear of your aquarium for a background update. Optional 3D Effect: We recommend using Juwel Poster Fix for a lighter, three-dimensional appearance. Available Sizes: Small: 60 x 30 cm (86250) Large: 100 x 50 cm (86260) X-Large: 150 x 60 cm (86270) Simply choose the size that matches your aquarium.