● Note: The “glow effect” only occurs under actinic light, ultraviolet light or blue light, which brings a fantastic view of the ocean world to the aquarium. The light mushroom is made of high quality materials (including including: silica gel, eco-friendly color and UPC), which looks extremely realistic and natural. Plus, it’s non-toxic to your fish. Don’t worry about the safety of your fish. ● This aquarium decoration can personalize your aquarium with a distinctive creative look. At the same time, it protects your fish. ● 4-in-1 mushroom set that you can mix and match. Make your aquarium special and lively. ● Here is a suction cup that can be attached to the bottom of the aquarium to make it stable.