This item is a stand alone type fish fry breeding box. It also can prevent adult fish attack, and improve the survival rate of juvenile fish. There are drainage hole at the bottom, easy to change the water and keep the water quality healthy. Features - Color: Assorted. - Material: plastic. - Size: About 18.50X14.00X10.00cm/7.27X5.50X3.93inch. - Highly transparent preferred material, no harm to aquatic organisms. - With the transparent box body, you can observe the condition of your little fish at any time. - W-shaped hatching partition, 3mm gap to ensure that the baby fish fall into the lower space and avoid being eaten. - Breathable feeding holes ensure the air circulation in the tank and feed the mother fish. - High-definition visually transparent material, high transparency, good viewing. Package list: 1 x small fish breeding box