Features: 1.When you put it in the aquarium, it can float like a real puffer fish, adding more vitality to the aquarium. 2.The luminous design of this artificial puffer fish allows it to absorb the light source and the anemone will glow at night. 3.Made of high quality rubber material, this puffer fish decoration will not cause harm to the animals in the fish tank. 4.This puffer fish simulation product can provide a place for nitrifying bacteria to attach. 5.It is equipped with an invisible thread and a suction cup, which can float with currents or be fixed on the wall of the fish tank. Specification: Item Type: Aquarium Puffer Fish_x000D_ Material: Rubber_x000D_ Suction Diameter: Approx. 2.7cm/1.1in_x000D_ Fish Length: Approx. 8cm/3.1in PackageList: 1 xPuffer Fish 1 x Suction Note There might be an error of 0.1?0.5cm/0.04?0.50in.