Small & Medium Boxes Kit:Perfect for shrimp , guppy, clownfish, platy or other aquatic dwellers Practical Breeder Box: 2 separate provide a completely safe environment for the parent fish to spawn and raise fish. Greatly protect born fry from being eaten or attacked and improve the survival rate of fish Mesh: Upper plastic mesh with big holes enables fry to easily fall into the protective space below. The bottom fine nylon netting with needle-sized holes always allows for smooth water flow while securely containing the inhabitants Multipurpose: Also work great as a separator! In addition to serving as a hatchery, the aquarium fish breeding box always keeps fierce or aggressive fish out, providing a safe shelter for weak or injured fish. Or isolate them inside for domestication Floating Design: No suction cups required! 2 foam rings with negligible weight easily keep the plastic isolation box floating on the water at all times. And the depth of the 2 boxes in the water can be changed at by moving the foam rings up and down Color: parent & Blue Material: plastic Package Contents: 2 * Breeder Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.