The aquarium background is fit for 20 inch tall aquariums. Suggestion: Measure your aquarium from the top of your substrate to the bottom lip of the aquarium frame to determine if the background is tall enough for use. Note: 1. This repeating scene is cut from a bulk roll and has a border at the bottom of both sides. The background you receive will differ slightly from the sample photos shown above. Please allow a little size error due to manual measurement. 2. Please be reminded that due to lighting effects and monitors brightness/contrast settings etc, the color tone of the websites photo and the actual item could be slightly different.