Liroyal Lot of Glowing Effect Artificial Fake Jellyfish for Aquarium Decor & Home Fish Tank Decoration Ornament Incredibly detailed imitation floating jellyfish Material: soft silicone; Size: (approx) 5*15cm Ideal decoration for the fish tank and aquarium. Harmless to All Fish Simply apply it to the tank wall, the jellyfish is tied by thin invisible line and suction cup Glowing effect under actinic lighting