This luminous coral is made of high quality silicone material, which is durable, non-toxic and eco-friendly High simulation, natural and realistic effect, it can bring you a pleasant visual feeling Artificial coral can be used to decorate the aquarium, making the tank look closer to nature, reduce the pressure on fish No impact on fish and water quality, not easy to fade, no requirements for lighting and carbon dioxide An ideal decoration for your fish tank with this lifelike ornament