Features: 1.Our incubator is made of high?quality plastic materials, which are durable, non?toxic and environmentally friendly, and have a long service life. 2.Easily installed without tools and convenient to use. Equipped with a powerful suction cup, it can be vertically fixed in any position without moving. 3.Multifunctional design, new frame type has detachable design and locking feet, which is convenient to protect fish. 4.This aquarium fish breeder box is compatible with all kinds of aquariums, cold water, tropical and marine fish. 5.Suitable for fish pairing reproduction, fry reproduction, hatching of young fish, isolation of large fish, etc. Specification: Item Type: Aquarium Fish Breeder Box_x000D_ Material: Plastic+Gauze_x000D_ Suction Cup Diameter: Approx. 3cm/ 1.2in PackageList: 2 x Border 4 x Pillar 1 xFloor 1 x Partition 1 x Net Yarn 6 x Suction Cup Note The water level should not exceed the upper frame.