materials: The fish tanks ornaments make from The materials is none pollutings, not special maintenance requirements, easy to clean This fish aquarium decoration will not affect the potential of hydrogen in the tanks, and will not rot or cause algae problems Appearance: deeps Hole fish tanks decorations, portraying a mysterious underwater world With this aquarium ornament, you can create a unique underwater paradise Use: The base of the fish tanks decoration house is flat and can be stably placed on the bottom of the water tanks Fish tanks ornament is suitable for small aquarium pets, such as fighting fish, guppy, and so on, or small crawling pets detail: This kind of decoration has lively detail and delicate colors, which can be naturally blended into your aquarium, and bring realistic appeal to your aquarium Size: suitable for large and moderate sized fish tanks decoration A good environment will improve the pet ' s habitat, and the realistic underwater environment will always feel at ease and help moves normally