Dimart Simulation Resin Volcano Shape Aquarium Decorations Fish Tank Landscape Ornament Brand new with high quality, made of high quality resin material, nontoxic and durable, safe for your aquarium. High emulational volcano, better to decorate your aquarium, make it more unique. Providing shelter for your fish, and the fish can swim through holes. Suitable for aquarium, fish tank and house rockery landscaping. Volcano design, which can stand in water steadily.