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. 2 x Border4 x Pillar1 x Floor1 x Partition 1 x Net Yarn6 x Suction Cup Item Type: Aquarium Fish Breeder BoxMaterial: Plastic+GauzeSuction Cup Diameter: Approx. 3cm/ 1.2in