Saim Glowing Effect Artificial Plastic Plant with Leaves Mushrooms for Fish Tank Decoration Aquarium Ornament Creates true nature settings with realistic versions of exotic plants. Suction cup base keep the item stays under water. It is made of eco-friendly material, so it will not to pollute the water and not damage the health of the fish. Glowing effect IS Not "Glow In the Dark", it requires aquarium black or blue lighting for the fluorescent glow highlight. 3 x 3.5" height plastic plant