Use resin material, suitable for all aquariums and fish. Non-toxic, non-polluting, durable, and will not fade. If you accidentally break it, don’t worry, just a little glue can restore it immediately.
The fake moss makes it look realistic and its hollow inside. With smooth edges, your pets fish can go in and out of the fish hole to sleep, rest, hide, play, and breed without worrying about the fish getting hurt.
It is easy to install, has a flat bottom, and is completely hollow. It can stand firmly on the bottom of the aquarium without floating. It can be stored forever, no special maintenance requirements, easy to clean.