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