3D Rock Stone Aquarium Background Reptile Fish Tank Backdrop Decoration- Need to install with glass glue onto the aquarium.- Suitable for use with any reptiles, amphibians, or fish.- The board looks and feels like real stone but are lightweight and easy to use.- Made of PU material, non-toxic, no bad smell and absolutely no influence to the water.- These boards are easy to cut with a standard hand saw and can be joined to cover larger wall sizes.- Used with other aquarium decoration, such as water plants, rockery and so on, the effect will be better.- Provides valuable environmental enrichment for your pets as they enable your pets to climb and browse on the walls of their enclosure.Specification:Material: PUColor: As picture shown