This breeding incubator box for aquariums features a clear structure and a net cover that allows for clear observation while keeping the fish secure. The divider also protects fish from leaving the isolation room. The box is easy attachment to any part of the tank. Feature - ColorTransparent - Material: Acrylic. - Size: About 12.70X7.00X7.00cm/4.99X2.75X2.75in - Made of hard and sturdy acrylic material for durable and sturdy for use. - Can be used for aquarium tank or fish tank use, practical and durable. The plastic and net material has visible design. - Convenient to use, easy to clean. Safe and practical for small fish breeding. - With its secure hatching environment, this product ensures that are protected from predators and other potential dangers. - Featuring a versatile design, this box can be used for isolation, breeding, and hatching, making it a valuable addition to any fish enthusiast's collection. Package list: 4 Breeding Tank