Strong Sucker Holder: equipped with two suction cups, it has strong adsorption , convenient to install and use. Fuction: easy to install in an aquarium, use these dividers to separate different fishes, breed them, and prevent them from fighting. Material: made of high quality plastic material, the partition suction cup is eco-friendly and durable to use. Package included: there are a total of 8pcs white aquarium fish tank dividers, which can meet your daily needs. Safe to Use: our partition suction cup is bur-free and tasteless, which will not hurt your fish and not harmful to fish's health.