“Product description Style: 2 Package content: 4pcs aquarium decorative coral 1.【IDEAL DECORATION】: Floating freely and graceful incredibly detailed imitation floating jellyfish. 2.【HARMLESS TO YOUR FISH】: Made of Eco-friendly silicone material, nontoxic, odorless and durable. 3.【EASY TO MAKE IT ALIVE】: Just fix suction cup, it attaches by thin invisible line. 4.【NOT ““GLOWING IN THE DARK”"】: The Glowing Effect will only happen under actinic lighting, blue or purple light is recommended. 5.【WORLD OF 4 COLORS】: High simulation, natural and realistic effect, it can bring you comfortable visual feeling. Good for your fisherman that offers a place to hide and rest.”