Features:

1.There are cracks on both sides which can ensure the flow of water within the tank and isolation box. 
2.The 1mm gap can avoid the juveniles swimming out and also can ensure their safety. 
3.Transparent cover can prevent fish jumping out of the box, and the middle hole is convenient for feeding, it also can prevents adult fish to attack juvenile fish. 
4. Hook design, you can hange the product on to your aquarium (also equipped with two suction cups).
5. Wite independent rooms, so you can have more than one female fish in the box. 

Specification:

Material: Acrylic

Color: transparent

Size: 16.5cmx8.5cmx11cm, 25.5cmx8.5cmx11cm

Note: 
Please allow 1cm differs due to manual measurement.
Due to the different display and different light, the picture maybe a little different with the actual color of the item. Thanks for your understanding.

Package Included:
1pcs Aquarium Isolation Box