The Fish Tank Divider is made of high quality plastic and silicone material, very durable, wear-resistant and can be used for a long time. Equipped with two suction cups, which has strong adsorption force, is very convenient to install and use. Convenient clip, fix the clip on the inner wall of the fish tank with a suction cup, which can divide the larger fish tank into multiple compartments for reproduction or separation. The diameter of the suction cup is 30mm/1.2inch, and the isolation partition is suitable for /5/6mm (0.16/0.2/0.24inch) glass. Easy to install in an aquarium, use these dividers to separate different fishes, breed them, and prevent them from fighting.