Description Feature: 1. Soft Silicone: Feel comfortable, safe to fish, is resistant to acid and alkali, can be soaked in seawater without being corroded, and is electrostatically charged and easy to absorb fine dust that cannot be filtered. 2. Silicone Sea Urchin Balls: Colorful sea urchins. The transparent leaves dissolve in the water, and the fluorescent dots on the outer circle are illuminated by LED lights, bringing you a dreamlike underwater world 3. Glowing Fish Tank Decoration: Large coral decorations will not automatically shine in the dark. It needs to shine under the light of the fish tank, or shine under blue light. 4. With Fixed Suction Cup: Fixed suction cup at the bottom. Press them firmly on the fish tank and can be easily removed. After cleaning, it is the same as new and can be used repeatedly. 5. LED Light: You need an LED light, and you can choose different lights according to your preferences. It is very beautiful under black light, purple ultraviolet light, and white light, but it is eye catching under blue light. Specification: Item Type: Fish Tank Ornament Material: Silicone. Package List: 1 x Pink Coral1 x Blue Coral1 x Yellow Coral1 x Colorful Sea Urchin1 x Purple Sea Urchin1 x Pink Sea Urchin1 x Green Sea Urchin