-is a new flexible, realistic and vivid Artificial Jellyfish can move by water current in tank. It adds beauty and delight to your aquarium. With it you can build an ideal underwater world. This jellyfish is great ornament for your aquarium. ( Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.) Brand new and high quality. Silicone material, flexible, realistic and vivid. Can add beauty and delight to your aquarium Fish friendly and will not harm the fish A suction cup is provided to attach the snail to base of the aquarium There is an almost invisible nylon thread(Approx. 20cm/7.87inch) that attaches the suction cup to the snail and holds it in place Material: Silicone Warning : Choking hazard small parts, not for children under 3 years This product will not glow itself ,you need to match with aquarium light.