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 baby fish. Greatly protect newborn fry from being eaten or attacked and improve the survival rate of baby 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: Transparent & 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.