Yuauy 3 PCs Glowing Artificial Jellyfish Ornament for Aquarium Fish Tank Size(approx): S(Diameter: 5cm, Full Length: 12cm) Material: Soft Silicone and Fluorescent Powder Incredibly detailed imitation floating jellyfish Ideal decoration for the fish tank and aquariumHarmless to All Fish Simply apply it to the tank wall,the jellyfish is tied by thin invisible line and suction cup