●Material: Made of plastic,it is no harm to the fish and not pollute the water. ●Humanized design: The edge of aquarium divider nets with buckle, can be assembled, you can divide different aquariums into different compartments according to the size of the aquarium for breeding or isolation. ●With sucker clip: You can fix the aquarium divider in anywhere you need. ●Isolation function: Can effectly prevent your fishes from fighting. ●Note: The platform can also be used as a bottom filter.