Fine mesh hatchery box allow optimum water flow and easy to observe your baby fish. Fish breeder box is a ideal hatchery for viviparous fish such as bettas, guppies, medaka, ect. Isolation breeding box can be easily attached to any position in the aquarium using the supplied suction cup. Fish breeding box is made of durable nylon mesh and polyester frame, it can be safely used to separate and reproduce fry. Mesh net breeding box can separates aggressive fishes and small or injured fishes into different places that can improve the survival rate of juvenile fish. Description The aquarium incubator is made of polyester mesh and plastic frame, which can be easily connected to your aquarium by the attached suction cup. Aggressive fish and new- born fry or injured fish can be separated into different positions, thereby effectively increasing the survival rate of fish. Feature - Brand: POPETPOP. - Material: plastic and polyester. -Size: 25 X15 X 15 cm / 9.82 X 5.89 X 5.89 inch. Package Included 1 x POPETPOP breeding hatchery fish tank incubator