Juwel Poster 2 Blue Water Background is printed on both sides giving you a choice of how you want your aquarium to look. This lovely picture with open water and sunlight peering through will set any aquarium off that it is attached to, enhancing the appearance of its inhabitants. For best results use Juwel Poster Fix to attach to the glass. Size S, easy to cut, fits Juwel Primo 60, Primo 70 LED and other aquariums up to 60 x 30cm high.