Note: Not inchGlow In the Darkinch! The glowing effect will only occur under actinic lighting, blue or purple light is recommended. Glowing artificial mushroom provides a fantastic sea world scenery. Size: 10 x 6 x 10cm (approx) Made of non-toxic, colorful and vivid silicone which looks extremely realistic and natural. The strong suction cup base can easily suck in the smooth aquarium.