4PCS Glowing Effect Artificial Jellyfish Aquarium Decoration Fish Tank Ornament Product Feature: 100% brand new and high quality. The item is a pack of 4pcs glowing jellyfish made of silicone. Simply apply it to the tank wall, and the jellyfish is tied by thin invisible line and suction cup. A beautiful and life-like artificial jellyfish to decorate your fish tank. It can be used in the fish tank for a long term and the height can be adjusted freely. Floating freely and graceful, an ideal decoration for the fish tank and aquarium. The fixed line and suction cups are separated, you need to make a knot before using. Note: The glowing effect is the fluorescence effect. But the item does not shine in the darkness, it needs Aquarium lamp irradiation. We recommend to use blue or purple aquarium lamp and not use the red. Please be careful when you open the package in case of broken invisible line. Product Specification: Type: Glowing Jellyfish Color: Green, pink, blue, orange, yellow, purple Material: Silicone Product Size: About 18x5.5 cm/7.09x2.17 inch(L*W) Package Included: 4/8 x Glowing Jellyfish