- The Shining Jellyfish is made by high quality silicone and is not harmful to fish. The fish is able to get along very well with artificial decorations. This product is an ideal decoration for fish tank and aquarium. 2. A new generation vacuum suction cup design enjoys strong attraction, so it is easy to attach the aquarium jellyfish decoration and not easy to fall off. The open design at the head of the decoration of this shiny jellyfish is used to fix invisible nets. 3. Soft and comfortable aquarium jellyfish decorations made by silicone are lightweight and portable, they can swing with the water current and serve as a decoration for your fish tank. 4. Our aquarium jellyfish decoration can mimic the movements of real and natural jellyfish. The appearance of our product is extremely similar to the real and natural jellyfish. If you choose our jellyfish decoration, it can serve as a wonderful decoration for your fish tank. 5. The silicone aquarium decorations are able to glow under