Dekor-Fellas M is a detailed and lifelike replica of a piece of moon rock made of polyrin (synthetic resin) for your aquarium. The total weight is particularly important for larger aquariums, from a length of 120cm, as the load-bearing capacity of the floor must be taken into account. Original stones of the same type weigh many times more than this replica. In combination with other stones of the same or different sizes, a natural-looking rock landscape can be recreated. The colours and materials used are absolutely non-toxic for fish and plants. The Decor-Fellas M aquarium decoration can be used for both freshwater and saltwater aquariums without affecting the biological balance. Slight colour changes over time are possible. Note: Can also be used as terrarium decoration.