1. Product Features: Double - layer design, rational use of space, and made of transparent and durable acrylic material. 2. Usage Scenarios: Placed in a large fish tank for fish breeding and isolating sick or weak fish. 3. User Benefits: Improves the success rate of fish breeding and facilitates the management of fish in different states. 4. Product Advantages: The transparent material is convenient for observing the state of fish, and the structure is stable.